Icom Ui-7 Am Fm Unit 99%

Adds AM (transmit) and FM (transmit/receive) modes. Power Output (on IC-725): AM: ~40 watts. FM: ~100 watts. Origin: Manufactured in Japan. 🔌 Compatibility

Introduces an envelope detector for receiving AM signals and an amplitude modulator for transmitting. This is especially useful for operators tracking legacy military communications, civil aviation (receive-only on compatible spans), or specialized amateur AM nets.

is an essential internal expansion board designed to add AM transmission and full FM mode capabilities to legacy Icom HF transceivers. Originally released during the late 1980s and early 1990s, this plug-in module upgrades standard factory radios—which typically only supported SSB and CW out of the box—into true all-mode communications systems. icom ui-7 am fm unit

: It is a small add-on board that plugs directly into the bottom of the radio's chassis, often requiring only a few internal cable connections to the existing front panel and main logic units. Applicable Radios

, verify if the unit is already installed by checking if the radio transmits in FM; many used units were upgraded by previous owners. Icom UI7 FM Option - Universal Radio, Inc. Adds AM (transmit) and FM (transmit/receive) modes

. Without this unit, these radios are limited to Single Sideband (SSB) and Continuous Wave (CW) for transmission, though the front panel often includes a non-functional AM/FM button. Functionality

Vintage electronics dealers frequently export original Japanese pullouts via eBay , with prices generally hovering between $100 and $200 depending on condition. Origin: Manufactured in Japan

This is the feature that gives the UI-7 its "AM/FM Unit" title. The receiver covers the standard broadcast bands:

The is an optional internal plug-in module for several of Icom's classic HF transceivers (such as the IC-725, IC-728, and IC-721). It serves as a dedicated AM and FM mode expansion board. In their standard configuration, these radios operate on SSB and CW. The UI-7 board is required to unlock AM transmission and full FM (both receive and transmit) capabilities.