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Icom AT-100
Antenna Tuner

Discontinued!

Please also
see the
AT500

Please check
our Used List

Return to 740

Discontinued Antenna Tuners 

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Larger Image | Rear Panel | Top Panel

Icom AT100

The Icom AT-100 is an automatic external antenna tuner for 80 through 10 meters. It provides autoband switching with several Icom transceivers including the IC-740. Power capacity is 100 watts continuous, 200 wattts PEP. The top panel access cover opens for adjustments for the Auto/Tune Preset switches, Preset timers and Preset Indicators. The AT-100 features one input SO-239 jack and four output SO-239 coaxial antenna jacks on the rear panel. Tune-up time is typically 4 to 7 seconds. The power requirement is 13.8 VDC or 117 VAC which is selectable from the rear panel. (241x111x300mm 5 kg).

From the factory, the AT-100 provides four antenna jacks on the rear panel:  ANT4 1.8 MHz (no tuner), ANT2 3.5 MHz, ANT3 7-10 MHz and ANT4 14/21/28 MHz. You can easily change the connections by changing the internal wiring jumpers. Based on your situation, you can even connect them all to one antenna jack, if using only one antenna. INFO


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