Icom AT 4-pin connector for antenna tuner,
suitable for the following radios:

      Icom IC-706
      Icom IC-707
      Icom IC-718
      Icom IC-725
      Icom IC-728
      Icom IC-736
      Icom IC-738
      Icom IC-746
      Icom IC-765
      Icom IC-775
      Icom IC-7000
      Icom IC-7200
      Icom IC-7400


and almost all Icom radios with a 4-pin tuner socket, compatible with the Icom AH-3 or AH-4 antenna tuner (see radio manual).