FCC RF Test Report. STANDARD : FCC Part 15 Subpart C CLASSIFICATION : (DTS) Digital Transmission System

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Pauline Goodman
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, would like to declare that the tested sample has been evaluated in accordance with the test procedures and has been in compliance with the applicable technical standards.

1 FCC RF Test Report APPLICANT : HMD Global Oy EQUIPMENT : Smart Phone BRAND NAME : Nokia MODEL NAME : TA-046 FCC ID : 2AJOTTA-046 STANDARD : FCC Part 5 Subpart C CLASSIFICATION : (DTS) Digital Transmission System The product was received on Dec. 07, 207 and testing was completed on Mar. 05, 208. We, SPORTON INTERNATIONAL INC., would like to declare that the tested sample has been evaluated in accordance with the test procedures and has been in compliance with the applicable technical standards. The test results in this report apply exclusively to the tested model / sample. Without written approval of SPORTON INTERNATIONAL INC., the test report shall not be reproduced except in full. Reviewed by: Joseph Lin / Supervisor Approved by: Jones Tsai / Manager SPORTON INTERNATIONAL INC. No. 52, Hwa Ya st Rd., Hwa Ya Technology Park, Kwei-Shan District, Tao Yuan City, Taiwan, R.O.C. SPORTON INTERNATIONAL INC. Page Number : of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

2 TABLE OF CONTENTS REVISION HISTORY... 3 SUMMARY OF TEST RESULT... 4 GENERAL DESCRIPTION Applicant Manufacturer Product Feature of Equipment Under Test Modification of EUT Testing Location Applicable Standards TEST CONFIGURATION OF EQUIPMENT UNDER TEST Carrier Frequency and Channel Test Mode Connection Diagram of Test System Support Unit used in test configuration and system EUT Operation Test Setup Measurement Results Explanation Example TEST RESULT dB and 99% Bandwidth Measurement Output Power Measurement Power Spectral Density Measurement Conducted Band Edges and Spurious Emission Measurement Radiated Band Edges and Spurious Emission Measurement AC Conducted Emission Measurement Antenna Requirements LIST OF MEASURING EQUIPMENT UNCERTAINTY OF EVALUATION APPENDIX A. CONDUCTED TEST RESULTS APPENDIX B. AC CONDUCTED EMISSION TEST RESULT APPENDIX C. RADIATED SPURIOUS EMISSION APPENDIX D. RADIATED SPURIOUS EMISSION PLOTS APPENDIX E. DUTY CYCLE PLOTS APPENDIX F. SETUP PHOTOGRAPHS SPORTON INTERNATIONAL INC. Page Number : 2 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

3 REVISION HISTORY REPORT NO. VERSION DESCRIPTION ISSUED DATE FR7D0706C Rev. 0 Initial issue of report Mar. 3, 208 SPORTON INTERNATIONAL INC. Page Number : 3 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

4 SUMMARY OF TEST RESULT Report Section FCC Rule Description Limit Result Remark (a)(2) 6dB Bandwidth 0.5MHz Pass % Bandwidth - Pass (b) Power Output Measurement 30dBm Pass (e) Power Spectral Density 8dBm/3kHz Pass - Conducted Band Edges Pass (d) 20dBc Conducted Spurious Emission Pass (d) Radiated Band Edges and Radiated Spurious Emission 5.209(a) & 5.247(d) Pass Under limit 5.07 db at MHz Under limit AC Conducted Emission 5.207(a) Pass 3.09 db at & 5.247(b) 0.90 MHz Antenna Requirement N/A Pass - SPORTON INTERNATIONAL INC. Page Number : 4 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

5 General Description. Applicant HMD Global Oy Karaportti 2, 0260 Espoo, Finland.2 Manufacturer HMD Global Oy Karaportti 2, 0260 Espoo, Finland.3 Product Feature of Equipment Under Test GSM/WCDMA/LTE, Bluetooth, Wi-Fi 2.4GHz 802.b/g/n, Wi-Fi 5GHz 802.a/n/ac, NFC, and GNSS Antenna Type Product specification subjective to this standard WWAN: PIFA Antenna WLAN: PIFA Antenna Bluetooth: PIFA Antenna NFC: Single Loop Antenna GPS/GLONASS/BDS: PIFA Antenna.4 Modification of EUT No modifications are made to the EUT during all test items. SPORTON INTERNATIONAL INC. Page Number : 5 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

6 .5 Testing Location Sporton Lab is accredited to ISO 7025 by Taiwan Accreditation Foundation (TAF code : 90) and the FCC designation No. TW90 and TW0007 under the FCC 2.948(e) by Mutual Recognition Agreement (MRA) in FCC Test. Test Site Test Site Location Test Site No. SPORTON INTERNATIONAL INC. No. 52, Hwa Ya st Rd., Hwa Ya Technology Park, Kwei-Shan District, Tao Yuan City, Taiwan, R.O.C. TEL: FAX: Sporton Site No. TH05-HY CO05-HY Note: The test site complies with ANSI C requirement. Test Site SPORTON INTERNATIONAL INC. No.58, Aly. 75, Ln. 564, Wenhua 3rd Rd. Guishan Dist, Test Site Location Taoyuan City, Taiwan (R.O.C.) TEL: FAX: Test Site No. Sporton Site No. 03CH-HY Note: The test site complies with ANSI C requirement..6 Applicable Standards According to the specifications of the manufacturer, the EUT must comply with the requirements of the following standards: FCC Part 5 Subpart C FCC KDB Publication No D0 DTS Meas. Guidance v04 ANSI C Remark:. All test items were verified and recorded according to the standards and without any deviation during the test. 2. This EUT has also been tested and complied with the requirements of FCC Part 5, Subpart B, recorded in a separate test report. SPORTON INTERNATIONAL INC. Page Number : 6 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

7 2 Test Configuration of Equipment Under Test a. The EUT has been associated with peripherals and configuration operated in a manner tended to maximize its emission characteristics in a typical application. Frequency range investigated: conduction emission (50 khz to 30 MHz), radiation emission (9 khz to the 0th harmonic of the highest fundamental frequency or to 40 GHz, whichever is lower). For radiated measurement, pre-scanned in three orthogonal panels, X, Y, Z. The worst cases (X plane) were recorded in this report. b. AC power line Conducted Emission was tested under maximum output power. 2. Carrier Frequency and Channel Frequency Band MHz Channel Freq. (MHz) Channel Freq. (MHz) Test Mode Final test modes are considering the modulation and worse data rates as below table. Modulation Data Rate 802.b Mbps 802.g 6 Mbps 802.n HT20 MCS0 802.n HT40 MCS0 Test Cases AC Conducted Emission Mode : LTE Band 38 Idle + Bluetooth Link + WLAN (2.4GHz) Link + Color Bar + Earphone 2 + USB Cable (Charging from Adapter 3) SPORTON INTERNATIONAL INC. Page Number : 7 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

8 2.3 Connection Diagram of Test System 2.4 Support Unit used in test configuration and system Item Equipment Trade Name Model Name FCC ID Data Cable Power Cord. System Simulator Anritsu MT8820C N/A N/A Unshielded,.8 m 2. WLAN AP ASUS RT-AC66U MSQ-RTAC66U N/A Unshielded,.8 m 3. Notebook DELL Latitude E6320 FCC DoC/ Contains FCC ID: QDS-BRCM054 N/A AC I/P: Unshielded,.2 m DC O/P: Shielded,.8 m 4. Bluetooth Earphone Sony Ericsson MW600 PY7DDA-2029 N/A N/A 5. SD Card SanDisk MicroSD HC FCC DoC N/A N/A 2.5 EUT Operation Test Setup The RF test items, utility QRCT was installed in Notebook which was programmed in order to make the EUT get into the engineering modes to provide channel selection, power level, data rate and the application type and for continuous transmitting signals. SPORTON INTERNATIONAL INC. Page Number : 8 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

9 2.6 Measurement Results Explanation Example For all conducted test items: The offset level is set in the spectrum analyzer to compensate the RF cable loss and attenuator factor between EUT conducted output port and spectrum analyzer. With the offset compensation, the spectrum analyzer reading level is exactly the EUT RF output level. Example: The spectrum analyzer offset is derived from RF cable loss and attenuator factor. Offset = RF cable loss + attenuator factor. Following shows an offset computation example with cable loss 4.2 db and 0dB attenuator. Offset(dB) = RF cable loss(db) + attenuator factor(db). = = 4.2 (db) SPORTON INTERNATIONAL INC. Page Number : 9 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

10 3 Test Result 3. 6dB and 99% Bandwidth Measurement 3.. Limit of 6dB and 99% Bandwidth The minimum 6 db bandwidth shall be at least 500 khz Measuring Instruments The measuring equipment is listed in the section 4 of this test report Test Procedures. The testing follows FCC KDB Publication No DTS D0 Meas. Guidance v The RF output of EUT was connected to the spectrum analyzer by RF cable and attenuator. The path loss was compensated to the results for each measurement. 3. Set to the maximum power setting and enable the EUT transmit continuously. 4. Make the measurement with the spectrum analyzer's resolution bandwidth (RBW) = 00 khz. Set the Video bandwidth (VBW) = 300 khz. In order to make an accurate measurement. The 6 db bandwidth must be greater than 500 khz. 5. For 99% Bandwidth Measurement, the spectrum analyzer's resolution bandwidth (RBW) = MHz and set the Video bandwidth (VBW) = 3MHz. 6. Measure and record the results in the test report Test Setup SPORTON INTERNATIONAL INC. Page Number : 0 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

11 3..5 Test Result of 6dB and 99% Occupied Bandwidth Please refer to Appendix A. Minimum 6dB Bandwidth Maximum 99% Occupied Bandwidth *RBW 00 khz Delta 2 [T ] * RBW MHz Marker [T ] *VBW 300 khz -0.7 db * VBW 3 MHz 8.37 dbm Ref 20 dbm * Att 20 db SWT 5 ms MHz Ref 30 dbm * Att 20 db SWT 5 ms GHz 20 Offset 25.3 db Marker [T ] 30 Offset 25.3 db OBW MHz 4.80 dbm Temp [T OBW] PK MAXH 0 0 D 9.96 dbm D dbm GHz A LVL 20 SA* MAXH 0 T dbm A GHz Temp 2 [T OBW] 0.59 dbm LVL GHz T DB 3DB Center 2.42 GHz 2 MHz/ Span 20 MHz Center GHz 0 MHz/ Span 00 MHz Date: 8.DEC :03:44 Date: 8.DEC :40:58 Note : The occupied channel bandwidth is maintained within the band of operation for all of the modulations. SPORTON INTERNATIONAL INC. Page Number : of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

3.2 Output Power Measurement 3.2. Limit of Output Power For systems using digital modulation in the 2400-2483.5MHz, the limit for peak output power is 30dBm.

12 3.2 Output Power Measurement 3.2. Limit of Output Power For systems using digital modulation in the MHz, the limit for peak output power is 30dBm. If transmitting antenna with directional gain greater than 6dBi is used, the peak output power from the intentional radiator shall be reduced below the above stated value by the amount in db that the directional gain of the antenna exceeds 6 dbi. In case of point-to-point operation, the limit has to be reduced by db for every 3dB that the directional gain of the antenna exceeds 6dBi Measuring Instruments The measuring equipment is listed in the section 4 of this test report Test Procedures. The testing follows the Measurement Procedure of FCC KDB No DTS D0 Meas. Guidance v04 section 9..3 PKPM Peak power meter method. 2. The RF output of EUT was connected to the power meter by RF cable and attenuator. The path loss was compensated to the results for each measurement. 3. Set to the maximum power setting and enable the EUT transmit continuously. 4. Measure the conducted output power and record the results in the test report Test Setup Test Result of Peak Output Power Please refer to Appendix A Test Result of Average output Power (Reporting Only) Please refer to Appendix A. SPORTON INTERNATIONAL INC. Page Number : 2 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

13 3.3 Power Spectral Density Measurement 3.3. Limit of Power Spectral Density The peak power spectral density shall not be greater than 8dBm in any 3kHz band at any time interval of continuous transmission Measuring Instruments The measuring equipment is listed in the section 4 of this test report Test Procedures. The testing follows Measurement Procedure 0.2 Method PKPSD of FCC KDB Publication No D0 DTS Meas. Guidance v04 2. The RF output of EUT was connected to the spectrum analyzer by RF cable and attenuator. The path loss was compensated to the results for each measurement. 3. Set to the maximum power setting and enable the EUT transmit continuously. 4. Make the measurement with the spectrum analyzer's resolution bandwidth (RBW) = 3 khz. Video bandwidth VBW = 0 khz In order to make an accurate measurement, set the span to.5 times DTS Channel Bandwidth. (6dB BW) 5. Detector = peak, Sweep time = auto couple, Trace mode = max hold, Allow trace to fully stabilize. Use the peak marker function to determine the maximum power level. 6. Measure and record the results in the test report. SPORTON INTERNATIONAL INC. Page Number : 3 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

3.3.4 Test Setup 3.3.5 Test Result of Power Spectral Density Please refer to Appendix A. Worst Case Power Density (dbm/3khz) * RBW 3 khz Marker [T ] *VBW 0 khz -3.99 dbm Ref 20 dbm * Att 20 db SWT.

14 3.3.4 Test Setup Test Result of Power Spectral Density Please refer to Appendix A. Worst Case Power Density (dbm/3khz) * RBW 3 khz Marker [T ] *VBW 0 khz dbm Ref 20 dbm * Att 20 db SWT.2 s GHz 20 Offset 25.3 db 0 A PK MAXH 0 LVL DB Center 2.42 GHz.056 MHz/ Span 0.56 MHz Date: 8.DEC :04:0 SPORTON INTERNATIONAL INC. Page Number : 4 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

15 3.4 Conducted Band Edges and Spurious Emission Measurement 3.4. Limit of Conducted Band Edges and Spurious Emission Measurement In any 00 khz bandwidth outside of the authorized frequency band, the emissions which fall in the non-restricted bands shall be attenuated at least 20 db / 30dB relative to the maximum PSD level in 00 khz by RF conducted measurement Measuring Instruments The measuring equipment is listed in the section 4 of this test report Test Procedures. The testing follows FCC KDB Publication No D0 DTS Meas. Guidance v The RF output of EUT was connected to the spectrum analyzer by RF cable and attenuator. The path loss was compensated to the results for each measurement. 3. Set to the maximum power setting and enable the EUT transmit continuously. 4. Set RBW = 00 khz, VBW=300 khz, Peak Detector. Unwanted Emissions measured in any 00 khz bandwidth outside of the authorized frequency band shall be attenuated by at least 20 db relative to the maximum in-band peak PSD level in 00 khz when maximum peak conducted output power procedure is used. If the transmitter complies with the conducted power limits based on the use of RMS averaging over a time interval, the attenuation required under this paragraph shall be 30 db instead of 20 db per 5.247(d). 5. Measure and record the results in the test report. 6. The RF fundamental frequency should be excluded against the limit line in the operating frequency band Test Setup SPORTON INTERNATIONAL INC. Page Number : 5 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

16 3.4.5 Test Result of Conducted Band Edges and Spurious Emission Test Engineer : Shiming Liu and Allen Lin Temperature : 2~25 Relative Humidity : 5~54% Test Mode : 802.b Test Channel : 0 00kHz PSD reference Level Channel Plot *RBW 00 khz Marker [T ] * RBW 00 khz Marker [T ] *VBW 300 khz 9.75 dbm *VBW 300 khz dbm Ref 20 dbm * Att 20 db SWT 5 ms GHz Ref 20 dbm * Att 20 db SWT 5 ms GHz 20 Offset 25.3 db 20 Offset 25.3 db 0 A 0 A PK PK MAXH 0 LVL MAXH 0 LVL -0-0 D dbm DB 3DB F Center 2.42 GHz.056 MHz/ Span 0.56 MHz Start 2.3 GHz 3.5 MHz/ Stop GHz Date: 8.DEC :04:4 Date: 8.DEC :04:28 Spurious Emission 30MHz~3GHz Spurious Emission 2GHz~25GHz * RBW 00 khz Marker 2 [T ] * RBW 00 khz Marker 2 [T ] * VBW 300 khz 9.47 dbm * VBW 300 khz 9.78 dbm Ref 20 dbm * Att 0 db SWT 300 ms GHz Ref 20 dbm * Att 0 db SWT 2.3 s GHz 20 Offset 25.3 db Marker [T ] 20 Offset 25.3 db Marker [T ] dbm MHz A dbm GHz A PK PK VIEW 0 LVL VIEW 0 LVL -0 D dbm -0 D dbm DB -40 3DB Start 30 MHz 297 MHz/ Stop 3 GHz Start 2 GHz 2.3 GHz/ Stop 25 GHz Date: 8.DEC :06:2 Date: 8.DEC :06:29 SPORTON INTERNATIONAL INC. Page Number : 6 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

17 Test Mode : 802.b Test Channel : 06 00kHz PSD reference Level Channel Plot Ref 20 dbm 20 Offset 25.3 db *RBW 00 khz *VBW 300 khz * Att 20 db SWT 5 ms Marker [T ] 0.05 dbm GHz 0 A PK MAXH 0 LVL DB Center GHz.062 MHz/ Span 0.62 MHz Date: 8.DEC :09:48 Spurious Emission 30MHz~3GHz Spurious Emission 2GHz~25GHz * RBW 00 khz Marker 2 [T ] * RBW 00 khz Marker 2 [T ] * VBW 300 khz 7.98 dbm * VBW 300 khz 9.3 dbm Ref 20 dbm * Att 0 db SWT 300 ms GHz Ref 20 dbm * Att 0 db SWT 2.3 s GHz 20 Offset 25.3 db Marker [T ] 20 Offset 25.3 db Marker [T ] dbm MHz A dbm GHz A PK PK VIEW 0 LVL VIEW 0 LVL -0 D dbm -0 D dbm DB 3DB Start 30 MHz 297 MHz/ Stop 3 GHz Start 2 GHz 2.3 GHz/ Stop 25 GHz Date: 8.DEC :0:00 Date: 8.DEC :0:08 SPORTON INTERNATIONAL INC. Page Number : 7 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

18 Test Mode : 802.b Test Channel : 00kHz PSD reference Level Channel Plot *RBW 00 khz Marker [T ] * RBW 00 khz Marker [T ] *VBW 300 khz 9.65 dbm *VBW 300 khz dbm Ref 20 dbm * Att 20 db SWT 5 ms GHz Ref 20 dbm * Att 20 db SWT 5 ms GHz 20 Offset 25.3 db 20 Offset 25.3 db 0 A 0 A PK PK MAXH 0 LVL MAXH 0 LVL -0-0 D dbm DB 3DB F Center GHz.25 MHz/ Span.25 MHz Start 2.43 GHz 3.5 MHz/ Stop GHz Date: 8.DEC :2:37 Date: 8.DEC :2:50 Spurious Emission 30MHz~3GHz Spurious Emission 2GHz~25GHz * RBW 00 khz Marker 2 [T ] * RBW 00 khz Marker 2 [T ] * VBW 300 khz 9.32 dbm * VBW 300 khz 8.39 dbm Ref 20 dbm * Att 0 db SWT 300 ms GHz Ref 20 dbm * Att 0 db SWT 2.3 s GHz 20 Offset 25.3 db Marker [T ] 20 Offset 25.3 db Marker [T ] dbm MHz A dbm GHz A PK PK VIEW 0 LVL VIEW 0 LVL -0 D dbm -0 D dbm DB -40 3DB Start 30 MHz 297 MHz/ Stop 3 GHz Start 2 GHz 2.3 GHz/ Stop 25 GHz Date: 8.DEC :3:0 Date: 8.DEC :3:0 SPORTON INTERNATIONAL INC. Page Number : 8 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

19 Test Mode : 802.g Test Channel : 0 00kHz PSD reference Level Channel Plot *RBW 00 khz Marker [T ] * RBW 00 khz Marker [T ] *VBW 300 khz 5.54 dbm *VBW 300 khz dbm Ref 20 dbm * Att 20 db SWT 5 ms GHz Ref 20 dbm * Att 20 db SWT 5 ms GHz 20 Offset 25.3 db 20 Offset 25.3 db 0 A 0 A PK PK MAXH 0 LVL MAXH 0 LVL -0-0 D dbm DB 3DB F Center 2.42 GHz MHz/ Span MHz Start 2.3 GHz 3.5 MHz/ Stop GHz Date: 8.DEC :5:48 Date: 8.DEC :6:56 Spurious Emission 30MHz~3GHz Spurious Emission 2GHz~25GHz * RBW 00 khz Marker 2 [T ] * RBW 00 khz Marker 2 [T ] * VBW 300 khz 3.9 dbm * VBW 300 khz 0.69 dbm Ref 20 dbm * Att 0 db SWT 300 ms GHz Ref 20 dbm * Att 0 db SWT 2.3 s GHz 20 Offset 25.3 db Marker [T ] 20 Offset 25.3 db Marker [T ] dbm dbm GHz A GHz A PK VIEW 0 2 LVL PK VIEW 2 0 LVL -0-0 D dbm D dbm DB 3DB Start 30 MHz 297 MHz/ Stop 3 GHz Start 2 GHz 2.3 GHz/ Stop 25 GHz Date: 8.DEC :7:08 Date: 8.DEC :7:6 SPORTON INTERNATIONAL INC. Page Number : 9 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

20 Test Mode : 802.g Test Channel : 06 00kHz PSD reference Level Channel Plot Ref 20 dbm 20 Offset 25.3 db *RBW 00 khz *VBW 300 khz * Att 20 db SWT 5 ms Marker [T ] 5.88 dbm GHz 0 A PK MAXH 0 LVL DB Center GHz MHz/ Span MHz Date: 8.DEC :2:48 Spurious Emission 30MHz~3GHz Spurious Emission 2GHz~25GHz * RBW 00 khz Marker 2 [T ] * RBW 00 khz Marker 2 [T ] * VBW 300 khz 3.53 dbm * VBW 300 khz.35 dbm Ref 20 dbm * Att 0 db SWT 300 ms GHz Ref 20 dbm * Att 0 db SWT 2.3 s GHz 20 Offset 25.3 db Marker [T ] 20 Offset 25.3 db Marker [T ] dbm dbm GHz A GHz A PK 2 PK 2 VIEW 0 LVL VIEW 0 LVL -0-0 D -4.2 dbm D -4.2 dbm DB 3DB Start 30 MHz 297 MHz/ Stop 3 GHz Start 2 GHz 2.3 GHz/ Stop 25 GHz Date: 8.DEC :22:09 Date: 8.DEC :22:8 SPORTON INTERNATIONAL INC. Page Number : 20 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

21 Test Mode : 802.g Test Channel : 00kHz PSD reference Level Channel Plot *RBW 00 khz Marker [T ] * RBW 00 khz Marker [T ] *VBW 300 khz 6.02 dbm *VBW 300 khz dbm Ref 20 dbm * Att 20 db SWT 5 ms GHz Ref 20 dbm * Att 20 db SWT 5 ms GHz 20 Offset 25.3 db 20 Offset 25.3 db 0 A 0 A PK PK MAXH 0 LVL MAXH 0 LVL -0-0 D dbm DB 3DB F Center GHz MHz/ Span MHz Start 2.43 GHz 3.5 MHz/ Stop GHz Date: 8.DEC :25:08 Date: 8.DEC :25:25 Spurious Emission 30MHz~3GHz Spurious Emission 2GHz~25GHz * RBW 00 khz Marker 2 [T ] * RBW 00 khz Marker 2 [T ] * VBW 300 khz.70 dbm * VBW 300 khz 0.62 dbm Ref 20 dbm * Att 0 db SWT 300 ms GHz Ref 20 dbm * Att 0 db SWT 2.3 s GHz 20 Offset 25.3 db Marker [T ] 20 Offset 25.3 db Marker [T ] dbm dbm GHz A GHz A PK VIEW 0 2 LVL PK VIEW 2 0 LVL -0-0 D dbm D dbm DB 3DB Start 30 MHz 297 MHz/ Stop 3 GHz Start 2 GHz 2.3 GHz/ Stop 25 GHz Date: 8.DEC :25:38 Date: 8.DEC :25:46 SPORTON INTERNATIONAL INC. Page Number : 2 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

22 Test Mode : 802.n HT20 Test Channel : 0 00kHz PSD reference Level Channel Plot *RBW 00 khz Marker [T ] * RBW 00 khz Marker [T ] *VBW 300 khz 4.06 dbm *VBW 300 khz -27. dbm Ref 20 dbm * Att 20 db SWT 5 ms GHz Ref 20 dbm * Att 20 db SWT 5 ms GHz 20 Offset 25.3 db 20 Offset 25.3 db 0 A 0 A PK PK MAXH 0 LVL MAXH 0 LVL -0-0 D dbm DB 3DB F Center 2.42 GHz MHz/ Span MHz Start 2.3 GHz 3.5 MHz/ Stop GHz Date: 8.DEC :27:50 Date: 8.DEC :28: Spurious Emission 30MHz~3GHz Spurious Emission 2GHz~25GHz * RBW 00 khz Marker 2 [T ] * RBW 00 khz Marker 2 [T ] * VBW 300 khz dbm * VBW 300 khz 0.64 dbm Ref 20 dbm * Att 0 db SWT 300 ms GHz Ref 20 dbm * Att 0 db SWT 2.3 s GHz 20 Offset 25.3 db Marker [T ] 20 Offset 25.3 db Marker [T ] dbm dbm MHz A GHz A PK VIEW 0 2 LVL PK VIEW 2 0 LVL -0-0 D dbm D dbm DB 3DB Start 30 MHz 297 MHz/ Stop 3 GHz Start 2 GHz 2.3 GHz/ Stop 25 GHz Date: 8.DEC :29:06 Date: 8.DEC :29:4 SPORTON INTERNATIONAL INC. Page Number : 22 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

23 Test Mode : 802.n HT20 Test Channel : 06 00kHz PSD reference Level Channel Plot Ref 20 dbm 20 Offset 25.3 db *RBW 00 khz *VBW 300 khz * Att 20 db SWT 5 ms Marker [T ] 4.30 dbm GHz 0 A PK MAXH 0 LVL DB Center GHz MHz/ Span MHz Date: 8.DEC :3:43 Spurious Emission 30MHz~3GHz Spurious Emission 2GHz~25GHz * RBW 00 khz Marker 2 [T ] * RBW 00 khz Marker 2 [T ] * VBW 300 khz 2.54 dbm * VBW 300 khz 4.42 dbm Ref 20 dbm * Att 0 db SWT 300 ms GHz Ref 20 dbm * Att 0 db SWT 2.3 s GHz 20 Offset 25.3 db Marker [T ] 20 Offset 25.3 db Marker [T ] dbm dbm PK GHz 2 A PK GHz A VIEW 0 LVL VIEW 0 LVL -0-0 D -5.7 dbm D -5.7 dbm DB 3DB Start 30 MHz 297 MHz/ Stop 3 GHz Start 2 GHz 2.3 GHz/ Stop 25 GHz Date: 8.DEC :3:57 Date: 8.DEC :32:05 SPORTON INTERNATIONAL INC. Page Number : 23 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

24 Test Mode : 802.n HT20 Test Channel : 00kHz PSD reference Level Channel Plot *RBW 00 khz Marker [T ] * RBW 00 khz Marker [T ] *VBW 300 khz 4.8 dbm *VBW 300 khz dbm Ref 20 dbm * Att 20 db SWT 5 ms GHz Ref 20 dbm * Att 20 db SWT 5 ms GHz 20 Offset 25.3 db 20 Offset 25.3 db 0 A 0 A PK PK MAXH 0 LVL MAXH 0 LVL -0-0 D dbm DB 3DB F Center GHz MHz/ Span MHz Start 2.43 GHz 3.5 MHz/ Stop GHz Date: 8.DEC :59:54 Date: 8.DEC.207 0:00:26 Spurious Emission 30MHz~3GHz Spurious Emission 2GHz~25GHz * RBW 00 khz Marker 2 [T ] * RBW 00 khz Marker 2 [T ] * VBW 300 khz dbm * VBW 300 khz dbm Ref 20 dbm * Att 0 db SWT 300 ms GHz Ref 20 dbm * Att 0 db SWT 2.3 s GHz 20 Offset 25.3 db Marker [T ] 20 Offset 25.3 db Marker [T ] dbm dbm GHz A GHz A PK VIEW 0 2 LVL PK VIEW 2 0 LVL -0-0 D dbm D dbm DB 3DB Start 30 MHz 297 MHz/ Stop 3 GHz Start 2 GHz 2.3 GHz/ Stop 25 GHz Date: 8.DEC.207 0:00:38 Date: 8.DEC.207 0:00:46 SPORTON INTERNATIONAL INC. Page Number : 24 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

25 Test Mode : 802.n HT40 Test Channel : 03 00kHz PSD reference Level Channel Plot * RBW 00 khz Marker [T ] * RBW 00 khz Marker [T ] *VBW 300 khz 0.62 dbm *VBW 300 khz dbm Ref 20 dbm * Att 20 db SWT 0 ms GHz Ref 20 dbm * Att 20 db SWT 5 ms GHz 20 Offset 25.3 db 20 Offset 25.3 db 0 A 0 A PK MAXH 0 LVL PK MAXH 0 LVL D dbm DB 3DB F Center GHz MHz/ Span MHz Start 2.3 GHz 3.5 MHz/ Stop GHz Date: 8.DEC :40: Date: 8.DEC :40:27 Spurious Emission 30MHz~3GHz Spurious Emission 2GHz~25GHz * RBW 00 khz Marker 2 [T ] * RBW 00 khz Marker 2 [T ] * VBW 300 khz dbm * VBW 300 khz dbm Ref 20 dbm * Att 0 db SWT 300 ms GHz Ref 20 dbm * Att 0 db SWT 2.3 s GHz 20 Offset 25.3 db Marker [T ] 20 Offset 25.3 db Marker [T ] dbm dbm GHz A GHz A PK VIEW 0 2 LVL PK VIEW 02 LVL D dbm -20 D dbm DB 3DB Start 30 MHz 297 MHz/ Stop 3 GHz Start 2 GHz 2.3 GHz/ Stop 25 GHz Date: 8.DEC :40:38 Date: 8.DEC :40:47 SPORTON INTERNATIONAL INC. Page Number : 25 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

26 Test Mode : 802.n HT40 Test Channel : 06 00kHz PSD reference Level Channel Plot * RBW 00 khz Marker [T ] *VBW 300 khz 0.62 dbm Ref 20 dbm * Att 20 db SWT 0 ms GHz 20 Offset 25.3 db 0 A PK MAXH 0 LVL DB Center GHz MHz/ Span MHz Date: 8.DEC :42:2 Spurious Emission 30MHz~3GHz Spurious Emission 2GHz~25GHz * RBW 00 khz Marker 2 [T ] * RBW 00 khz Marker 2 [T ] * VBW 300 khz -.28 dbm * VBW 300 khz dbm Ref 20 dbm * Att 0 db SWT 300 ms GHz Ref 20 dbm * Att 0 db SWT 2.3 s GHz 20 Offset 25.3 db Marker [T ] 20 Offset 25.3 db Marker [T ] dbm dbm GHz A GHz A PK VIEW 0 2 LVL PK VIEW 02 LVL D dbm -20 D dbm DB 3DB Start 30 MHz 297 MHz/ Stop 3 GHz Start 2 GHz 2.3 GHz/ Stop 25 GHz Date: 8.DEC :42:33 Date: 8.DEC :42:4 SPORTON INTERNATIONAL INC. Page Number : 26 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

27 Test Mode : 802.n HT40 Test Channel : 09 00kHz PSD reference Level Channel Plot * RBW 00 khz Marker [T ] * RBW 00 khz Marker [T ] *VBW 300 khz 0.07 dbm *VBW 300 khz dbm Ref 20 dbm * Att 20 db SWT 0 ms GHz Ref 20 dbm * Att 20 db SWT 5 ms GHz 20 Offset 25.3 db 20 Offset 25.3 db 0 A 0 A PK MAXH 0 LVL PK MAXH 0 LVL D dbm DB 3DB F Center GHz MHz/ Span MHz Start 2.43 GHz 3.5 MHz/ Stop GHz Date: 8.DEC :45:27 Date: 8.DEC :45:46 Spurious Emission 30MHz~3GHz Spurious Emission 2GHz~25GHz * RBW 00 khz Marker 2 [T ] * RBW 00 khz Marker 2 [T ] * VBW 300 khz dbm * VBW 300 khz dbm Ref 20 dbm * Att 0 db SWT 300 ms GHz Ref 20 dbm * Att 0 db SWT 2.3 s GHz 20 Offset 25.3 db Marker [T ] 20 Offset 25.3 db Marker [T ] dbm dbm MHz A GHz A PK VIEW 0 2 LVL PK VIEW 2 0 LVL D dbm -20 D dbm DB 3DB Start 30 MHz 297 MHz/ Stop 3 GHz Start 2 GHz 2.3 GHz/ Stop 25 GHz Date: 8.DEC :46:54 Date: 8.DEC :47:02 SPORTON INTERNATIONAL INC. Page Number : 27 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

28 3.5 Radiated Band Edges and Spurious Emission Measurement 3.5. Limit of Radiated band edge and Spurious Emission Measurement In any 00 khz bandwidth outside the intentional radiator frequency band, all harmonics/spurious must be at least 20 db below the highest emission level within the authorized band. If the output power of this device was measured by spectrum analyzer, the attenuation under this paragraph shall be 30 db instead of 20 db. In addition, radiated emissions which fall in the restricted bands must also comply with the limits as below. Frequency (MHz) Field Strength (microvolts/meter) Measurement Distance (meters) /F(kHz) /F(kHz) Above Measuring Instruments The measuring equipment is listed in the section 4 of this test report. SPORTON INTERNATIONAL INC. Page Number : 28 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

29 3.5.3 Test Procedures. The testing follows FCC KDB Publication No D0 DTS Meas. Guidance v The EUT was arranged to its worst case and then tune the antenna tower (from m to 4 m) and turntable (from 0 degree to 360 degrees) to find the maximum reading. A pre-amp and a high pass filter are used for the test in order to get better signal level. 3. The EUT was placed on a turntable with 0.8 meter for frequency below GHz and.5 meter for frequency above GHz respectively above ground. 4. The EUT was set 3 meters from the interference receiving antenna, which was mounted on the top of a variable height antenna tower. 5. Corrected Reading: Antenna Factor + Cable Loss + Read Level - Preamp Factor = Level 6. For testing below GHz, if the emission level of the EUT in peak mode was 3 db lower than the limit specified, then peak values of EUT will be reported, otherwise, the emissions will be repeated one by one using the CISPR quasi-peak method and reported. 7. For testing above GHz, the emission level of the EUT in peak mode was 20dB lower than average limit (that means the emission level in average mode also complies with the limit in average mode), then peak values of EUT will be reported, otherwise, the emissions will be measured in average mode again and reported. 8. Use the following spectrum analyzer settings: () Span shall wide enough to fully capture the emission being measured; (2) Set RBW=00 khz for f < GHz; VBW RBW; Sweep = auto; Detector function = peak; Trace = max hold; (3) Set RBW = MHz, VBW= 3MHz for f GHz for peak measurement. For average measurement: VBW = 0 Hz, when duty cycle is no less than 98 percent. VBW /T, when duty cycle is less than 98 percent where T is the minimum transmission duration over which the transmitter is on and is transmitting at its maximum power control level for the tested mode of operation. SPORTON INTERNATIONAL INC. Page Number : 29 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

30 3.5.4 Test Setup For radiated emissions below 30MHz For radiated emissions from 30MHz to GHz SPORTON INTERNATIONAL INC. Page Number : 30 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

31 For radiated emissions above GHz Test Results of Radiated Spurious Emissions (9kHz ~ 30MHz) The low frequency, which started from 9 khz to 30MHz, was pre-scanned and the result which was 20dB lower than the limit line was not reported. There is a comparison data of both open-field test site and semi-anechoic chamber, and the result came out very similar Test Result of Radiated Spurious at Band Edges Please refer to Appendix C and D Duty Cycle Please refer to Appendix E Test Result of Radiated Spurious Emission (30MHz ~ 0 th Harmonic) Please refer to Appendix C and D. SPORTON INTERNATIONAL INC. Page Number : 3 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

32 3.6 AC Conducted Emission Measurement 3.6. Limit of AC Conducted Emission For equipment that is designed to be connected to the public utility (AC) power line, the radio frequency voltage that is conducted back onto the AC power line on any frequency or frequencies within the band 50 khz to 30 MHz shall not exceed the limits in the following table. Frequency of Emission Conducted Limit (dbμv) (MHz) Quasi-Peak Average to 56* 56 to 46* *Decreases with the logarithm of the frequency Measuring Instruments The measuring equipment is listed in the section 4 of this test report Test Procedures. The EUT was placed 0.4 meter from the conducting wall of the shielding room, and it was kept at least 80 centimeters from any other grounded conducting surface. 2. Connect EUT to the power mains through a line impedance stabilization network (LISN). 3. All the support units are connecting to the other LISN. 4. The LISN provides 50 ohm coupling impedance for the measuring instrument. 5. The FCC states that a 50 ohm, 50 microhenry LISN should be used. 6. Both sides of AC line were checked for maximum conducted interference. 7. The frequency range from 50 khz to 30 MHz was searched. 8. Set the test-receiver system to Peak Detect Function and specified bandwidth (IF bandwidth = 9kHz) with Maximum Hold Mode. SPORTON INTERNATIONAL INC. Page Number : 32 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

3.6.4 Test Setup 3.6.5 Test Result of AC Conducted Emission Please refer to Appendix B. SPORTON INTERNATIONAL INC.

33 3.6.4 Test Setup Test Result of AC Conducted Emission Please refer to Appendix B. SPORTON INTERNATIONAL INC. Page Number : 33 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

34 3.7 Antenna Requirements 3.7. Standard Applicable If directional gain of transmitting Antennas is greater than 6dBi, the power shall be reduced by the same level in db comparing to gain minus 6dBi. The use of a permanently attached Antenna or of an Antenna that uses a unique coupling to the intentional radiator shall be considered sufficient to comply with the rule Antenna Anti-Replacement Construction An embedded-in antenna design is used Antenna Gain The antenna peak gain of EUT is less than 6 dbi. Therefore, it is not necessary to reduce maximum peak output power limit. SPORTON INTERNATIONAL INC. Page Number : 34 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

35 4 List of Measuring Equipment Instrument Manufacturer Model No. Serial No. Characteristics Calibration Date Power Meter Anritsu ML2495A N/A Sep. 07, 207 Power Sensor Anritsu MA24B Spectrum Analyzer Rohde & Schwarz 300MHz~40GH z Sep. 07, 207 FSP kHz~40GHz Jun. 20, 207 Test Date Due Date Remark Dec.2, 207~ Dec.8, 207 Dec.2, 207~ Dec.8, 207 Dec.2, 207~ Dec.8, 207 Sep. 06, 208 Sep. 06, 208 Jun. 9, 208 AC Power Source ChainTek APC-000W N/A N/A N/A Mar. 05, 208 N/A EMI Test Receiver LISN LISN Software Amplifier Rohde & Schwarz Rohde & Schwarz Rohde & Schwarz Rohde & Schwarz MITEQ ESR GHz Dec. 08, 207 Mar. 05, 208 Dec. 07, 208 ENV kHz~30MHz Nov. 30, 207 Mar. 05, 208 Nov. 29, 208 ENV kHz~30MHz Dec. 08, 207 Mar. 05, 208 Dec. 07, 208 EMC32 V0.30 HG N/A N/A N/A Mar. 05, 208 N/A GHz~40GHz, VSWR : 2.5: max Jul. 8, 207 Amplifier SONOMA 30N kHz~GHz Nov. 0, 206 Bilog Antenna Horn Antenna Loop Antenna TESEQ SCHWARZBE CK Rohde & Schwarz CBL 6D&N-6-0 Preamplifier Keysight 8307A Spectrum Analyzer Antenna Mast Keysight EMEC 6 N0602 BBHA 920 D 920D MHz~GHz Oct. 4, 207 GHz ~ 8GHz Oct. 6, 207 HFH2-Z khz~30 MHz Nov. 23, 207 N900A TTA &AT- AM-BS B MY MY GHz~26.5GHz Nov. 0, 206 0Hz ~ 44GHz Oct. 9, 207 N/A ~4m N/A Turn Table EMEC TT 2000 N/A 0~360 Degree N/A Preamplifier SHF-EHF Horn Antenna MITEQ SCHWARZBE CK AMF-7D BBHA GHZ~8GHZ Feb. 3, 207 BBHA GHz- 40GHz Nov. 27, 207 Dec. 8, 207~ Dec. 9, 207 Dec. 8, 207~ Dec. 9, 207 Dec. 8, 207~ Dec. 9, 207 Dec. 8, 207~ Dec. 9, 207 Dec. 8, 207~ Dec. 9, 207 Dec. 8, 207~ Dec. 9, 207 Dec. 8, 207~ Dec. 9, 207 Dec. 8, 207~ Dec. 9, 207 Dec. 8, 207~ Dec. 9, 207 Dec. 8, 207~ Dec. 9, 207 Dec. 8, 207~ Dec. 9, 207 Jul. 7, 208 Nov. 09, 208 Oct. 3, 208 Oct. 5, 208 Nov. 22, 209 Nov. 09, 208 Oct. 8, 208 N/A N/A Feb. 2, 208 Nov. 26, 208 Conducted (TH05-HY) Conducted (TH05-HY) Conducted (TH05-HY) Conduction (CO05-HY) Conduction (CO05-HY) Conduction (CO05-HY) Conduction (CO05-HY) Conduction (CO05-HY) Radiation (03CH-HY) Radiation (03CH-HY) Radiation (03CH-HY) Radiation (03CH-HY) Radiation (03CH-HY) Radiation (03CH-HY) Radiation (03CH-HY) Radiation (03CH-HY) Radiation (03CH-HY) Radiation (03CH-HY) Radiation (03CH-HY) SPORTON INTERNATIONAL INC. Page Number : 35 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

36 5 Uncertainty of Evaluation Uncertainty of Conducted Emission Measurement (50kHz ~ 30MHz) Measuring Uncertainty for a Level of Confidence of 95% (U = 2Uc(y)) 2.7 Uncertainty of Radiated Emission Measurement (30 MHz ~ 000 MHz) Measuring Uncertainty for a Level of Confidence of 95% (U = 2Uc(y)) 5.2 Uncertainty of Radiated Emission Measurement (000 MHz ~ 8000 MHz) Measuring Uncertainty for a Level of Confidence of 95% (U = 2Uc(y)) 5.5 Uncertainty of Radiated Emission Measurement (8000 MHz ~ MHz) Measuring Uncertainty for a Level of Confidence of 95% (U = 2Uc(y)) 5.2 SPORTON INTERNATIONAL INC. Page Number : 36 of 36 Report Issued Date : Mar. 3, 208 Report Version : Rev. 0 FCC ID: 2AJOTTA-046 Report Template No.: BU5-FR5CWL AC MA Version 2.0

37 Report Number : FR7D0706C Appendix A. Test Result of Conducted Test Items Test Engineer: Shiming Liu / Allen Lin Temperature: 2~25 C Test Date: 207/2/2~207/2/8 Relative Humidity: 5~54 % Maximum Power Density Max. Power Gain EIRP 20 cm PSD dbm dbi dbm mw/cm^2 Limit.0 mw/cm^2 A- of 5

38 Report Number : FR7D0706C TEST RESULTS DATA 6dB and 99% Occupied Bandwidth 2.4GHz Band Mod. Data Rate NTX CH. Freq. (MHz) 99% Occupied BW (MHz) 6dB BW (MHz) 6dB BW Limit (MHz) Pass/Fail b b b g g g HT20 HT20 HT20 HT40 HT40 HT40 Mbps Mbps Mbps 6Mbps 6Mbps 6Mbps MCS0 MCS0 MCS0 MCS0 MCS0 MCS Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass A-2 of 5

39 Report Number : FR7D0706C TEST RESULTS DATA Peak Power Table 2.4GHz Band Mod. Data Rate NTX CH. Freq. (MHz) Peak Conducted Power (dbm) Conducted Power Limit (dbm) DG (dbi) EIRP Power (dbm) EIRP Power Limit (dbm) Pass /Fail b b b g g g HT20 HT20 HT20 HT40 HT40 HT40 Mbps Mbps Mbps 6Mbps 6Mbps 6Mbps MCS0 MCS0 MCS0 MCS0 MCS0 MCS Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass A-3 of 5

40 Report Number : FR7D0706C TEST RESULTS DATA Average Power Table (Reporting Only) 2.4GHz Band Mod. Data Rate NTX CH. Freq. (MHz) Duty Factor (db) Average Conducted Power (dbm) b b b g g g HT20 HT20 HT20 HT40 HT40 HT40 Mbps Mbps Mbps 6Mbps 6Mbps 6Mbps MCS0 MCS0 MCS0 MCS0 MCS0 MCS A-4 of 5

41 Report Number : FR7D0706C TEST RESULTS DATA Peak Power Density 2.4GHz Band Mod. Data Rate NTX CH. Freq. (MHz) Peak PSD (dbm /3kHz) DG (dbi) Peak PSD Limit (dbm /3kHz) Pass/Fail b b b g g g HT20 HT20 HT20 HT40 HT40 HT40 Mbps Mbps Mbps 6Mbps 6Mbps 6Mbps MCS0 MCS0 MCS0 MCS0 MCS0 MCS Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass A-5 of 5

42 Appendix B. AC Conducted Emission Test Results Test Engineer : Shareef Yu Temperature : 2~23 Relative Humidity : 53~56% SPORTON INTERNATIONAL INC. Page Number : B of B

43 EUT Information Report NO : 7D0706 Test Mode : Mode Test Voltage : 20Vac/60Hz Phase : Line Fu ll S p e c tru m Level in dbµv CIS P R -QP L im it a t M a in P o rts CIS P R -A v e L imit a t M a in P o rts k M 2M 3M 4M5M6 8 0M 20M 30M Fre q u e n c y in H z Final_Result Frequency (MHz) QuasiPeak (dbµv) Average (dbµv) Limit (dbµv) Margin (db) Line Filter Corr. (db) L OFF L OFF L OFF L OFF L OFF L OFF L OFF L OFF L OFF L OFF L OFF L OFF L OFF L OFF 9.5

44 EUT Information Report NO : 7D0706 Test Mode : Mode Test Voltage : 20Vac/60Hz Phase : Neutral Fu ll S p e c tru m Level in dbµv CIS P R -QP L im it a t M a in P o rts CIS P R -A v e L imit a t M a in P o rts k M 2M 3M 4M5M6 8 0M 20M 30M Fre q u e n c y in H z Final_Result Frequency (MHz) QuasiPeak (dbµv) Average (dbµv) Limit (dbµv) Margin (db) Line Filter Corr. (db) N OFF N OFF N OFF N OFF N OFF N OFF N OFF N OFF N OFF N OFF N OFF N OFF N OFF N OFF 9.5

45 Appendix C. Radiated Spurious Emission Test Engineer : Hao Hsu, Jacky Hung, and Lance Chiang Temperature : 26~28 Relative Humidity : 52~57% 2.4GHz 2400~2483.5MHz WIFI 802.b (Band 3m) WIFI Note Frequency Level Over Limit Read Antenna Cable Preamp Ant Table Peak Pol. Limit Line Level Factor Loss Factor Pos Pos Avg. ( MHz ) ( dbμv/m ) ( db ) ( dbμv/m ) ( dbμv ) ( db/m ) ( db ) ( db ) ( cm ) ( deg ) (P/A) (H/V) P H A H * P H * A H 802.b CH 0 242MHz H H P V A V * P V * A V V V P H A H * P H * A H 802.b CH MHz P H A H P V A V * P V * A V P V A V SPORTON INTERNATIONAL INC. Page Number : C of C3

46 * P H * A H P H A H 802.b CH 2462MHz H H * P V * A V P V A V V V Remark. No other spurious found. 2. All results are PASS against Peak and Average limit line. SPORTON INTERNATIONAL INC. Page Number : C2 of C3

47 2.4GHz 2400~2483.5MHz WIFI 802.b 3m) WIFI Note Frequency Level Over Limit Read Antenna Cable Preamp Ant Table Peak Pol. Limit Line Level Factor Loss Factor Pos Pos Avg. ( MHz ) ( dbμv/m ) ( db ) ( dbμv/m ) ( dbμv ) ( db/m ) ( db ) ( db ) ( cm ) ( deg ) (P/A) (H/V) P H H 802.b CH 0 242MHz H H P V V V V P H P H 802.b CH MHz H H P V P V V V P H P H 802.b CH 2462MHz H H P V P V V V Remark. No other spurious found. 2. All results are PASS against Peak and Average limit line. SPORTON INTERNATIONAL INC. Page Number : C3 of C3

48 2.4GHz 2400~2483.5MHz WIFI 802.g (Band 3m) WIFI Note Frequency Level Over Limit Read Antenna Cable Preamp Ant Table Peak Pol. Limit Line Level Factor Loss Factor Pos Pos Avg. ( MHz ) ( dbμv/m ) ( db ) ( dbμv/m ) ( dbμv ) ( db/m ) ( db ) ( db ) ( cm ) ( deg ) (P/A) (H/V) P H A H * P H * A H 802.g CH 0 242MHz H H P V A V * P V * A V V V P H A H * P H * A H 802.g CH MHz P H A H P V A V * P V * A V P V A V SPORTON INTERNATIONAL INC. Page Number : C4 of C3

49 * P H * A H P H A H 802.g CH 2462MHz H H * P V * A V P V A V V V Remark. No other spurious found. 2. All results are PASS against Peak and Average limit line. SPORTON INTERNATIONAL INC. Page Number : C5 of C3

50 2.4GHz 2400~2483.5MHz WIFI 802.g 3m) WIFI Note Frequency Level Over Limit Read Antenna Cable Preamp Ant Table Peak Pol. Limit Line Level Factor Loss Factor Pos Pos Avg. ( MHz ) ( dbμv/m ) ( db ) ( dbμv/m ) ( dbμv ) ( db/m ) ( db ) ( db ) ( cm ) ( deg ) (P/A) (H/V) P H H 802.g CH 0 242MHz H H P V V V V P H P H 802.g CH MHz H H P V P V V V P H P H 802.g CH 2462MHz H H P V P V V V Remark. No other spurious found. 2. All results are PASS against Peak and Average limit line. SPORTON INTERNATIONAL INC. Page Number : C6 of C3

51 2.4GHz 2400~2483.5MHz WIFI 802.n HT20 (Band 3m) WIFI Note Frequency Level Over Limit Read Antenna Cable Preamp Ant Table Peak Pol. Limit Line Level Factor Loss Factor Pos Pos Avg. ( MHz ) ( dbμv/m ) ( db ) ( dbμv/m ) ( dbμv ) ( db/m ) ( db ) ( db ) ( cm ) ( deg ) (P/A) (H/V) P H A H * P H * A H 802.n HT20 CH 0 242MHz H H P V A V * P V * A V V V P H A H * P H * A H 802.n HT20 CH MHz P H A H P V A V * P V * A V P V A V SPORTON INTERNATIONAL INC. Page Number : C7 of C3

52 * P H * A H P H A H 802.n HT20 CH 2462MHz H H * P V * A V P V A V V V Remark. No other spurious found. 2. All results are PASS against Peak and Average limit line. SPORTON INTERNATIONAL INC. Page Number : C8 of C3

53 2.4GHz 2400~2483.5MHz WIFI 802.n HT40 (Band 3m) WIFI Note Frequency Level Over Limit Read Antenna Cable Preamp Ant Table Peak Pol. Limit Line Level Factor Loss Factor Pos Pos Avg. ( MHz ) ( dbμv/m ) ( db ) ( dbμv/m ) ( dbμv ) ( db/m ) ( db ) ( db ) ( cm ) ( deg ) (P/A) (H/V) P H A H * P H * A H 802.n HT40 CH MHz P H A H P V A V * P V * A V P V A V P H A H * P H * A H 802.n HT40 CH MHz P H A H P V A V * P V * A V P V A V SPORTON INTERNATIONAL INC. Page Number : C9 of C3

54 P H A H * P H * A H 802.n HT40 CH MHz P H A H P V A V * P V * A V P V A V Remark. No other spurious found. 2. All results are PASS against Peak and Average limit line. SPORTON INTERNATIONAL INC. Page Number : C0 of C3

55 Emission below GHz 2.4GHz WIFI 802.n HT40 (LF) WIFI Note Frequency Level Over Limit Read Antenna Cable Preamp Ant Table Peak Pol. Limit Line Level Factor Loss Factor Pos Pos Avg. ( MHz ) ( dbμv/m ) ( db ) ( dbμv/m ) (dbμv) ( db/m ) ( db ) ( db ) ( cm ) ( deg ) (P/A) (H/V) P H P H P H P H P H P H H H H H 2.4GHz 802.n HT40 LF H H P V P V P V P V P V P V V V V V V V Remark. No other spurious found. 2. All results are PASS against limit line. SPORTON INTERNATIONAL INC. Page Number : C of C3

56 Note symbol Fundamental Frequency which can be ignored. However, the level of any * unwanted emissions shall not exceed the level of the fundamental frequency.! Test result is over limit line. P/A Peak or Average H/V Horizontal or Vertical SPORTON INTERNATIONAL INC. Page Number : C2 of C3

57 A calculation example for radiated spurious emission is shown as below: WIFI Note Frequency Level Over Limit Read Antenna Cable Preamp Ant Table Peak Pol. Ant. Limit Line Level Factor Loss Factor Pos Pos Avg. ( MHz ) ( dbμv/m ) ( db ) ( dbμv/m ) ( dbμv ) ( db/m ) ( db ) ( db ) ( cm ) ( deg ) (P/A) (H/V) 802.b CH 0 242MHz P H A H. Level(dBμV/m) = Antenna Factor(dB/m) + Cable Loss(dB) + Read Level(dBμV) - Preamp Factor(dB) 2. Over Limit(dB) = Level(dBμV/m) Limit Line(dBμV/m) For Peak 2390MHz:. Level(dBμV/m) = Antenna Factor(dB/m) + Cable Loss(dB) + Read Level(dBμV) - Preamp Factor(dB) = 32.22(dB/m) (dB) (dBμV) (db) = (dbμv/m) 2. Over Limit(dB) = Level(dBμV/m) Limit Line(dBμV/m) = 55.45(dBμV/m) 74(dBμV/m) = -8.55(dB) For Average 2390MHz:. Level(dBμV/m) = Antenna Factor(dB/m) + Cable Loss(dB) + Read Level(dBμV) - Preamp Factor(dB) = 32.22(dB/m) (dB) (dBμV) (db) = (dbμv/m) 2. Over Limit(dB) = Level(dBμV/m) Limit Line(dBμV/m) = 43.54(dBμV/m) 54(dBμV/m) = -0.46(dB) Both peak and average measured complies with the limit line, so test result is PASS. SPORTON INTERNATIONAL INC. Page Number : C3 of C3

58 Appendix D. Radiated Spurious Emission Plots Test Engineer : Hao Hsu, Jacky Hung, and Lance Chiang Temperature : 26~28 Relative Humidity : 52~57% Note symbol -L Low channel location -R High channel location SPORTON INTERNATIONAL INC. Page Number : D of D44

59 2.4GHz 2400~2483.5MHz WIFI 802.b (Band 3m) WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.b CH0 242MHz Horizontal Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D2 of D44

60 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.b CH0 242MHz Vertical Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D3 of D44

61 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.b CH MHz - L Horizontal Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D4 of D44

62 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.b CH MHz - R Horizontal Fundamental Peak Left blank Avg. Left blank SPORTON INTERNATIONAL INC. Page Number : D5 of D44

63 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.b CH MHz - L Vertical Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D6 of D44

64 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.b CH MHz - R Vertical Fundamental Peak Left blank Avg. Left blank SPORTON INTERNATIONAL INC. Page Number : D7 of D44

65 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.b CH 2462MHz Horizontal Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D8 of D44

66 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.b CH 2462MHz Vertical Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D9 of D44

67 2.4GHz 2400~2483.5MHz WIFI 802.g (Band 3m) WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.g CH0 242MHz Horizontal Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D0 of D44

68 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.g CH0 242MHz Vertical Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D of D44

69 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.g CH MHz - L Horizontal Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D2 of D44

70 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.g CH MHz - R Horizontal Fundamental Peak Left blank Avg. Left blank SPORTON INTERNATIONAL INC. Page Number : D3 of D44

71 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.g CH MHz - L Vertical Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D4 of D44

72 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.g CH MHz - R Vertical Fundamental Peak Left Blank Avg. Left Blank SPORTON INTERNATIONAL INC. Page Number : D5 of D44

73 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.g CH 2462MHz Horizontal Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D6 of D44

74 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.g CH 2462MHz Vertical Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D7 of D44

75 2.4GHz 2400~2483.5MHz WIFI 802.n HT20 (Band 3m) WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT20 CH0 242MHz Horizontal Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D8 of D44

76 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT20 CH0 242MHz Vertical Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D9 of D44

77 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT20 CH MHz - L Horizontal Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D20 of D44

78 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT20 CH MHz - R Horizontal Fundamental Peak Left blank Avg. Left blank SPORTON INTERNATIONAL INC. Page Number : D2 of D44

79 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT20 CH MHz - L Vertical Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D22 of D44

80 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT20 CH MHz - R Vertical Fundamental Peak Left Blank Avg. Left Blank SPORTON INTERNATIONAL INC. Page Number : D23 of D44

81 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT20 CH 2462MHz Horizontal Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D24 of D44

82 WIFI 2.4GHz 2400~2483.5MHz 3m 802.n HT20 CH 2462MHz Vertical Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D25 of D44

83 2.4GHz 2400~2483.5MHz WIFI 802.n HT40 (Band 3m) WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT40 CH MHz - L Horizontal Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D26 of D44

84 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT40 CH MHz - R Horizontal Fundamental Peak Left Blank Avg. Left Blank SPORTON INTERNATIONAL INC. Page Number : D27 of D44

85 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT40 CH MHz - L Vertical Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D28 of D44

86 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT40 CH MHz - R Vertical Fundamental Peak Left blank Avg. Left blank SPORTON INTERNATIONAL INC. Page Number : D29 of D44

87 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT40 CH MHz - L Horizontal Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D30 of D44

88 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT40 CH MHz - R Horizontal Fundamental Peak Left blank Avg. Left blank SPORTON INTERNATIONAL INC. Page Number : D3 of D44

89 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT40 CH MHz - L Vertical Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D32 of D44

90 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT40 CH MHz - R Horizontal Fundamental Peak Left blank Avg. Left blank SPORTON INTERNATIONAL INC. Page Number : D33 of D44

91 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT40 CH MHz - L Horizontal Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D34 of D44

92 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT40 CH MHz - R Horizontal Fundamental Peak Left blank Avg. Left blank SPORTON INTERNATIONAL INC. Page Number : D35 of D44

93 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT40 CH MHz - L Vertical Fundamental Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D36 of D44

94 WIFI 2.4GHz 2400~2483.5MHz Band 3m 802.n HT40 CH MHz - R Vertical Fundamental Peak Left blank Avg. Left blank SPORTON INTERNATIONAL INC. Page Number : D37 of D44

95 2.4GHz 2400~2483.5MHz WIFI 802.b 3m) WIFI 2.4GHz 2400~2483.5MHz 3m 802.b CH0 242MHz Horizontal Vertical Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D38 of D44

96 WIFI 2.4GHz 2400~2483.5MHz 3m 802.b CH MHz Horizontal Vertical Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D39 of D44

97 WIFI 2.4GHz 2400~2483.5MHz 3m 802.b CH 2462MHz Horizontal Vertical Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D40 of D44

98 2.4GHz 2400~2483.5MHz WIFI 802.g 3m) WIFI 2.4GHz 2400~2483.5MHz 3m 802.g CH0 242MHz Horizontal Vertical Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D4 of D44

99 WIFI 2.4GHz 2400~2483.5MHz 3m 802.g CH MHz Horizontal Vertical Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D42 of D44

100 WIFI 2.4GHz 2400~2483.5MHz 3m 802.g CH 2462MHz Horizontal Vertical Peak Avg. SPORTON INTERNATIONAL INC. Page Number : D43 of D44

101 Emission below GHz 2.4GHz WIFI 802.n HT40 (LF) WIFI 2.4GHz 2400~2483.5MHz 802.n HT40 LF Horizontal Vertical QP / Peak SPORTON INTERNATIONAL INC. Page Number : D44 of D44

102 Appendix E. Duty Cycle Plots Band Duty Cycle (%) T(us) /T(kHz) VBW Setting Duty Factor (db) 802.b Hz g khz GHz 802.n HT khz GHz 802.n HT kHz 0.46 SPORTON INTERNATIONAL INC. Page Number : E of E3

103 802.b RBW 0 MHz Delta 3 [T ] *VBW 0 MHz 0.06 db Ref 30 dbm * Att 20 db SWT 0 ms ms 30 Offset 25.3 db Marker [T ] PK MAXH dbm µs A SGL Delta 2 [T ] 0.06 db ms LVL DB Center 2.42 GHz ms/ Date: 2.DEC :29: g RBW 0 MHz Delta 3 [T ] *VBW 0 MHz db Ref 30 dbm * Att 20 db SWT 8 ms ms 30 Offset 25.3 db Marker [T ] PK MAXH dbm µs A SGL Delta 2 [T ] db ms LVL DB Center 2.42 GHz 800 µs/ Date: 2.DEC :36:52 SPORTON INTERNATIONAL INC. Page Number : E2 of E3

802.n HT20 RBW 0 MHz Delta 3 [T ] *VBW 0 MHz 0.2 db Ref 30 dbm * Att 20 db SWT 8 ms 2.000000 ms 30 Offset 25.3 db Marker [T ] PK MAXH 20 0 23 8.65 dbm

104 802.n HT20 RBW 0 MHz Delta 3 [T ] *VBW 0 MHz 0.2 db Ref 30 dbm * Att 20 db SWT 8 ms ms 30 Offset 25.3 db Marker [T ] PK MAXH dbm ms A SGL Delta 2 [T ] 0.5 db ms LVL DB Center 2.42 GHz 800 µs/ Date: 2.DEC :47: n HT40 RBW 0 MHz Delta 3 [T ] *VBW 0 MHz 0.00 db Ref 30 dbm * Att 20 db SWT 4 ms ms 30 Offset 25.3 db Marker [T ] 0.77 dbm PK MAXH µs 2 Delta 2 [T ] db µs A SGL LVL DB Center GHz 400 µs/ Date: 2.DEC :52:22 SPORTON INTERNATIONAL INC. Page Number : E3 of E3

FCC Report. Beijing Visual World Technology Co.,Ltd.

FCC Report. Beijing Visual World Technology Co.,Ltd. FCC Report Report No.: GTS201703000097F01 Applicant: Beijing Visual World Technology Co.,Ltd. Address of Applicant: 15th Floor and 17th Floor 1701-10A, Building 3, No. 10, Jiuxianqiao Road Jia, Chaoyang