Icom Ui7 Am Fm Unit — |work|

The Icom UI-7 is an essential internal expansion board designed for vintage Icom transceivers, most notably the Icom IC-725 and Icom IC-728. While these radios often feature "AM/FM" buttons on their front panels by default, they require this specific unit to enable actual transmission in AM and both transmission and reception in FM. Core Functions and Capabilities

Subject: Technical Overview and Status of the ICOM UI-7 AM/FM Unit Date: October 26, 2023 Prepared For: Technical Research / Radio Equipment Maintenance

: AM transmit power is typically lower than SSB/CW power to prevent overheating; consult your radio's manual for specific AM carrier limits (often around 30-40W). Compatibility The UI-7 is designed specifically for: To help you further, could you tell me: transceiver model are you installing this in? Do you have the original wiring harness for the board? or just the physical setup?

Connection: It uses simple multi-pin connectors. No soldering is usually required, making it a safe DIY project for most hams.

1. Marine Electronics Retailers: Defender, West Marine, Hodges Marine.
2. Icom Authorized Dealers: These offer a 2-year waterproof warranty.
3. Secondary Market: eBay (Be careful with "parts only" listings; the UI7 is difficult to repair).