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Icom AT-141 Version 64 Automatic Antenna Tuner
Icom AT-141 Automatic Antenna Tuner version 64 compatible with the IC-M804 MF/HF transceiver. Version 65 must be used for MED certification compliance with the GM800.
Weather Resistant
The Icom AT-141 Automatic Antenna Unit is housed in a durable, completely weather resistant case, with a rubber gasket allowing the antenna tuner to be installed as close to the antenna as possible, even in a damp locker.
Matches All Bands
The Icom AT-141 matches all frequencies on the HF marine band. For example, the tuner matches a 7 m long-wire antenna across 1.6-30 MHz.
Full Automatic Tuning
Just push the dedicated TUNE key on the IC-M804 transceiver, and the AT-141 immediately tunes for a minimum SWR on any frequency in the HF marine band.
HF Operation on Shorter Antennas
The AT-141 allows HF operation even where antenna length is restricted due to space on smaller boats.
45 Memories For Shorter Tuning Time
To decrease the tune-up time, the AT-141 automatically stores the matching conditions for up to 45 frequencies. Retuning a memorized frequency takes approximately 1 second.
Features:
- Frequency coverage 1.6–30 MHz (with 7 m or longer antenna element).
- Power supply requirement 13.6 V DC (supplied from the HF transceiver).
- Current drain Maximum 2 A.
- Operating temperature range –30°C to +60°C (AT-141 Version 64 version).
- Weight (approximately) 2.5 kg.
- Antenna connector SO-239 (50 Ω).
- Maximum Input power 150 W (PEP) 100 W (continuous).
- Automatic tuning time Approximately 2 to 3 seconds (general condition) Maximum 15 seconds.
- Automatic tuning accuracy SWR 2.0:1 (after tuning, except for multiples of 1⁄2 λ).
- Usable pole diameter 32 to 60 mm.
- IP rating IPX6.
- AT-141 Version 64 is for use with the IC-M804. Version 65 must be used for MED certification compliance with the GM800.
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