TSU-5px Tone decoder for the TS-790A / TM-221A

The TSU-5px tone decoder allows you to add CTCSS sub audible tone decoder functionality to your Kenwood TS-790A or TM-221A transceivers. The TSU-5px tone decoder retains the same physical dimensions as the original TSU-5 making installation a breeze. The TSU-5px kit includes the mounting hardware and circuit board, everything you need for the installation. The TSU-5px is also available in a dual version that takes the place of 2 TSU-5 boards allowing CTCSS decode facilities on both the main and sub channels. For detailed installation instructions click here.