The is an optional internal plug-in board designed to expand the operational capabilities of specific classic Icom HF transceivers . While many modern radios include these modes by default, the UI-7 was a critical aftermarket addition for several popular "entry-level" models from the late 1980s and early 1990s . Purpose and Compatibility
: Plug the UI-7's 10-pin connector into the J20 port on the Main Unit. icom ui7 am fm unit
He wired a long copper wire from the station’s lightning rod to the antenna jack. He plugged a worn pair of aviation headphones into the side. He turned the dial. The is an optional internal plug-in board designed
If you are purchasing a used radio or checking your current one, you can often identify the unit without fully opening the case. By looking through the back grill of an IC-725, if the slots are open, the unit is missing. If you see a plastic cover with foam behind it creating a reflection, the UI-7 is likely installed. He wired a long copper wire from the
: Enables the IC-725 to transmit in AM mode and both transmit and receive in FM mode. Compatibility : Exclusively for the Icom IC-725