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Enables the radio to transmit in AM mode (usually 25 watts of carrier power).
As a premium OEM component, the Icom UI-7 is sold through marine electronics dealers (West Marine, Defender, Hodges Marine) and online at specialty retailers like Amazon (via authorized sellers).
The AM speaker, tinny and distorted, blared the beacon’s beep... beep... beep into the night.
A compact 100W HF transceiver designed for CW/SSB, which gains AM and FM capabilities with the installation of this unit. icom ui-7 am fm unit
How does the UI-7 interact with the IC-706's main controls? Understanding this distinction is critical to using the unit properly.
However, there was one ergonomic problem: Operating a tiny, button-filled radio faceplate while driving a car was dangerous. Icom needed a way to let operators change volume and squelch, and key the mic, without taking their eyes off the road.
Because the UI-7 is now a legacy component, there are a few things to keep in mind: Enables the radio to transmit in AM mode
When the sunspot cycle is high, 10-meter FM repeaters (usually found between 29.5 and 29.7 MHz) allow for incredible long-distance communication with very low power. Without a UI-7 installed, an IC-725 is "blind" to these repeaters.
She slung the strap over her shoulder. The Icom UI-7 wasn’t a unit anymore. It was a compass. And as long as the old frequencies hummed, she would never be lost.
The unit is most famously associated with the following "entry-level" HF rigs: How does the UI-7 interact with the IC-706's main controls
Maya ran the shop. She had grown up on this pier, hands hardened from nets and small mechanical miracles. She’d inherited the business from her grandfather, who used to hum sea shanties while polishing brass knobs. When the UI-7 arrived, wrapped in an oilcloth and strapped with frayed rope, it had a handwritten note tucked beneath it: "From Elias. For when you can't hear the horizon." The handwriting slanted like a captain’s signature and smelled faintly of salt and lemon oil.
It connects to the main unit via a 10-pin plug and two 3-pin plugs.
While the IC-725/728 natively handles USB/LSB and CW, the addition of the UI-7 brings FM capability. This is crucial for operating 10-meter FM repeaters ( ), allowing local, high-quality, noise-free communication. 2. Enhanced AM Capability
A vintage Icom radio equipped with the optional UI-7 unit is generally considered more desirable and has a higher resale value than a base unit that cannot operate FM. Installation and Setup