But what exactly is the Icom UI-7? Why do used units sell for hundreds of dollars despite being decades old? And more importantly, should you hunt one down for your shack? This article covers everything you need to know about the Icom UI-7 AM/FM Unit, including its history, functionality, installation, and modern-day relevance.
| Category | Rating (1–5) | |----------|--------------| | Build quality | 4 | | Ease of installation | 3 | | FM audio quality | 2.5 (mono only) | | AM sensitivity | 4 | | AM selectivity | 2 | | Value for money | 2 | icom ui-7 am fm unit
Installing the Icom UI-7 AM/FM Unit requires careful planning. Unlike a consumer-grade CB radio microphone, this is a network device. But what exactly is the Icom UI-7
: It requires connecting specific cables to internal ports (typically J21 and J22) and a brown jumper wire to the front panel. Legacy and Availability Manufactured This article covers everything you need to know
The Icom IC-729, which has these modes built-in from the factory. Installation Overview
A separate brown wire often connects to the front panel (jumper J5) to enable the button logic.