Icom AH-4 – Automatic Antenna Tuner


The AH-4 is designed for use with all Icom HF transceivers. It stores up to 45 memory channels with minimum SWR settings to provide quick re-tuning.


Weather-resistant construction, easily fitted in a variety of locations. No adjustments are necessary, just connect the control and antenna cables. Tunes a wide frequency coverage from 3.5 to 50 MHz with a 7 m or longer wire antenna, or the optional.

  • Frequency: 3.5 to 54 MHz (long wire)
  • Max Input Power: 120W PEP
  • Input Impedance: 50 Ohms
  • Input power for tuning 10W (5 – 15W)
  • Auto Tuning Time: 2-3 secs
  • Auto Tuning Accuracy: VSWR 2.0:1 or less
  • Supply: 13.8V DC
  • Size: 172 x 71 x 230 mm
  • 45 memory channels

Additional information

Weight0.9 kg