AT1621-20 Active Iridium Antenna User Manual This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interfer ence and (2) this device must accept any interference received, including in terference that may cause undesired operation. To satisfy FCC RF exposure require ments for mobile transmitting devices, the minimum safety distance is 55 cm (21.7 inches). This separation distance should be maintained between an tenna and people during operation of the.
Table of Contents 1 Introduction... 2 2 Important Safety Information Regarding Exposure to RF Signals...2 3 Cable Length Requirements... 3 4 Antenna Kit Contents... 3 5 Connecting Your Antenna... 3 5.1 Outside/Above Decks... 4 5.1.1 Bring long RF cable to top of pole or mast...4 5.1.2 Feed cable through mounting bracket and attach TNC connector to... 5 5.1.3 Screw in Mounting Screws to affix mounting bracket to. 5 5.1.4 Place mounting bracket over pole and tighten set screws...5 5.2 Inside/Below Decks... 6 5.2.1 Attach connector from long RF cable to bias box...6 5.2.2 Attach short RF cable to bias box and phone/docking station...7 5.2.3 Connect DC power (9 to 36 VDC, 30W max) to bias box....8 6 Specifications... 9 1 Introduction The AT1621-20 is designed for Iridium applications where long RF cables are needed and a passive cannot be used. The AT1621-20 has an integrated power amplifier (for transmitting signals to the satellite) and low noise amplifier (for receiving signals from the satellite) 2 Important Safety Information Regarding Exposure to RF Signals To satisfy FCC RF exposure requirements for mobile transmitting devices, the minimum safety distance is 55 cm (21.7 inches). This separation distance should be maintained between and people during operation of the. page 2 of 9
3 Cable Length Requirements To meet Iridium performance requirements and comply with FCC regulations, care must be taken to use the appropriate total RF cable length. Your distributor should provide the appropriate cable. Total Cable Loss Requirement Reference Cable Set 13.3 db total for two cables 5 ft (1.5 m) RG58LL 1.1 db loss @1621 MHz 115 ft (35 m) LMR240 12.2 db loss @ 1621 MHz 4 Antenna Kit Contents 1 2 bias box 3 mounting bracket 4 set screws (3) 5 mounting screws (3) 6 flat washers (3) 7 split washers(3) 8 AC adapter 1 2 PHONE DC ANT 4 in (101.6 m m ) 7 3 4 5 1.4 in (35.6 m m ) 6 US UK EU AU CC 1.4 in ID MAX (35.6 m m ) 7 5 Connecting Your Antenna To satisfy FCC RF exposure requirements for mobile transmitting devices, the minimum safety distance is 55 cm (21.7 inches). This separation distance should be maintained between and people during operation of the. page 3 of 9
5.1 Outside/Above Decks 5.1.1 Bring long RF cable to top of pole or mast 5.1.2 Feed cable through mounting bracket and attach TNC connector to to TNC long RF cable pipe/ mast TNC mounting bracket pipe/ mast to bias box to bias box page 4 of 9
5.1.3 Screw in Mounting Screws to affix mounting bracket to 5.1.4 Place mounting bracket over pole and tighten set screws. mounting bracket pipe/ mas to bias box to bias box page 5 of 9
5.2 Inside/Below Decks 5.2.1 Attach connector from long RF cable to bias box. PHONE ANT bias box DC page 6 of 9
5.2.2 Attach short RF cable to bias box and phone/docking station. a A TNC TNC PHONE ANT Bias Box DC page 7 of 9
5.2.3 Connect DC power (9 to 36 VDC, 30W max) to bias box. a A PHONE ANT Bias Box Philmore P602C DC to AC/DC adapter or other DC source page 8 of 9
6 Specifications EQUIPMENT TYPE INTEGRATED OPERATING ENVIRON-MENT POWER SUPPLY REQUIREMENT RF INPUT POWER RATING (US & CANADA) EIRP DUTY CYCLE TX OPERATING FREQUENCY RANGE RX OPERATING FREQUENCY RANGE RF INPUT IMPEDANCE MODULATION EMISSION DESIGNATION ANTENNA TYPE ANTENNA CONNECTOR TYPE TEMPERATURE RATING STORAGE: OPERATIONAL: Mobile or Fixed Base Station [ x ] Commercial [ x ] Light Industry & Heavy Industry 9 to 36V DC, 30W maximum 29 dbm or 0.8 Watt peak (conducted) 12.31 dbw Max N/A 1616.0-1626.5 MHz 1616.0-1626.5 MHz 50 Ohms Q7W 96K1Q7W Integral TNC Female -40 C to +80 C -25 C to +55 C page 9 of 9