Automatic Antenna Tuner -100W
Icom AH-4 ATU - ready for use with most Icom HF radios
100W HF Automatic Antenna Tuner can be used with the most Icom transceivers
Compatible with the IC-706MKIIG, IC-7400, IC-718, IC-756, IC-756PROII, IC-7100, IC-7300, IC-7610 and IC-9100.
The Icom AH-4 is capable of matching to a 50 ohm feed line, antennas with impedance in the range of 10 to 5,000 ohms.
The tuner is designed to operate with up to 120 watts of power. It incorporates 22 relays that switch combinations of inductance and capacitance to achieve tuning - typically within 1 to 3 seconds.
The AH-4 comes with a 16 foot (5 m) control cable that connects to the rear panel of compatible Icom transceivers.
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