If you are restoring a classic Icom marine station or upgrading a tactical vehicle, hunt down a clean UI-7. Replace the backup battery, clean the volume pot, and it will likely outlast your vehicle. In a digital world of disposable electronics, the UI-7 stands as a rugged analog warrior—proof that sometimes, the best technology is the one that simply refuses to break.
: Without this board, the AM/FM mode button on the radio's front panel typically will not allow transmission in these modes. icom ui-7 am fm unit