ICOM AH-4 HF + 50MHz Automatic Antenna Tuner
ICOM AH-4 HF + 50MHz Automatic Antenna Tuner
Features
WIDE TUNING RANGE
The AH-4 provides reliable matching from 3.5 MHz to 54 MHz when using at least a 7 m (23 ft) antenna; or 7 MHz to 54 MHz when using the AH-2b antenna element.
AUTOMATIC DIGITAL CONTROL TUNING
The built-in 8-bit microprocessor chooses the lowest SWR using more than 1,040,000 different LC (coil/capacitor) combinations.
45 FREQUENCY MEMORIES FOR FAST TUNING
The LC combinations of 45 previously-used frequencies are automatically memorized. Once a frequency is memorized, the AH-4 tunes on that frequency in less than 1 second. Note that the AH-4 does not memorize a frequency which is normally tuned within 2.5 seconds. Memories are retained only when the power is on.
WEATHERPROOF DESIGN
The AH-4’s tightly sealed plastic case allows convenient mounting virtually anywhere. The AH-4 can be mounted outdoors under your antenna.
0.3 W RADIATED POWER
Radiated power during tuning is less than 0.3 W, minimizing interference to other stations.
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