Icom Ui7 Am Fm Unit -
It is 2025, so you might wonder: Why use an AM/FM tuner when I have Spotify?
The UI7 serves a specific niche:
Note: The UI7 does not have Bluetooth. If you want Bluetooth, you must add an external BT receiver to the UI7’s AUX input (via RCA).
Since Icom does not publicly host most service manuals, try:
Search string example:
"UI-7" "AM FM" Icom service manual filetype:pdf
The Icom UI-7 is a dedicated AM/FM receiver unit designed for select Icom marine and land mobile radio systems. It adds broadcast radio reception capabilities to compatible Icom transceivers or control heads, allowing users to monitor AM (MW) and FM (VHF broadcast band) while maintaining primary communication functions.
If you search for "AM FM unit" online, you will find hundreds of cheap automotive options. So, why pay a premium for the Icom UI7? The answer lies in three distinct marine realities:
The Icom UI-7 AM/FM Unit provides a robust, integrated broadcast radio solution for professional Icom radio platforms. It eliminates the need for a separate consumer radio, offers automatic mute during critical communications, and maintains a clean installation. Ideal for marine and mobile applications where space, power, and audio routing are already managed by an Icom transceiver.
an optional plug-in circuit board designed to add AM and FM capabilities to the Icom IC-725 HF transceiver
. While the IC-725 has a dedicated "AM/FM" button on its front panel, these modes are non-functional unless the UI-7 unit is physically installed inside the radio. Key Features & Specifications
: Enables the IC-725 to transmit in AM mode and both transmit and receive in FM mode. Compatibility : Exclusively for the Icom IC-725 icom ui7 am fm unit
. Note that the Icom IC-726 already includes these features and does not require this board. Internal Placement
: The board is installed on the bottom of the radio after opening the case. Installation Highlights
According to technical community guides, installing the UI-7 is considered a straightforward task for amateur radio operators:
: The board plugs into a specific slot on the bottom of the IC-725 chassis. Connections
: It requires linking cables to specific ports on the radio board (typically Front Panel Link
: A specific "brown wire" connection is usually required to link the UI-7 board to the
port on the front panel board to enable button functionality. Procurement
Because this is a legacy accessory, it is no longer in regular production. It is most commonly found through: Secondary Markets : Listings often appear on and other amateur radio trading sites. Specialty Databases
: Technical specifications and manuals can be found on resources like the RigPix Database Are you planning to a UI-7 in an IC-725, or are you looking for technical diagrams for troubleshooting?
The air in the small attic room smelled of old solder and dust. Elias sat hunched over a workbench, the glow of a single lamp reflecting off the brushed aluminum face of his Icom UI-7. It was a vintage piece, an AM/FM unit salvaged from a radio swap meet in a rain-slicked parking lot. It is 2025, so you might wonder: Why
Most people his age wanted digital precision and smartphone apps. Elias wanted the "click." He turned the weighted tuning knob, feeling the mechanical resistance that modern gear lacked. The needle on the signal strength meter danced, twitching like a nervous heartbeat as he swept past static and ghost frequencies.
He wasn't looking for Top 40 hits. He was looking for the skip—those rare nights when the atmosphere turned into a mirror, bouncing signals from hundreds of miles away into his small-town bedroom.
Static hissed, a dry desert wind through the speaker. He nudged the dial a fraction of a millimeter. Suddenly, the noise parted. A voice, thin and fragile as spun glass, drifted into the room. It was a woman speaking French, her tone melodic but urgent, backed by the faint, rhythmic pulse of a coastal beacon.
Elias didn't speak French, but he didn't need to. He closed his eyes and let the UI-7 transport him. He wasn't in a cramped attic anymore; he was standing on a pier in Marseille, watching the fog roll in over the Mediterranean.
For an hour, the little Icom unit held the connection, a tether between two strangers across an ocean. Then, as the sun began to peek over his neighbor’s roof, the signal began to fray. The woman’s voice dissolved back into the hiss of the universe.
Elias clicked the power knob off. The silence that followed was heavy, but he wore a small smile. He patted the cool metal casing of the radio—a thank you to the machine that made the world feel just a little bit smaller.
is an optional internal module that adds AM and FM transmit/receive capabilities to HF transceivers, most notably the Icom IC-725 Quick Installation Guide Installation requires opening the radio case. Ensure the power is disconnected before proceeding. Access the Interior : Remove the top and bottom covers of the transceiver. Mount the Board
: Install the UI-7 board into the designated slot on the bottom side of the main unit. 10-Pin Plug : Connect the 10-pin plug from the UI-7 to the MAIN UNIT J20 3-Pin Plugs : Insert the two 3-pin plugs from the UI-7 into on the Main Unit. Front Panel Wire : Connect the supplied brown wire on the Front Unit and the UI-7 board. Secure Wiring
: Use a wire tie to bundle the harnesses and prevent them from interfering with other components. Reassemble : Replace the covers and power on the unit. 🛠️ Usage Tips Mode Activation : Once installed, the front-panel
button will become functional. Without this board, pressing the button usually does nothing. Note: The UI7 does not have Bluetooth
: This unit is highly sought after by operators who want to use FM on the 10-meter band (29.6 MHz), which is popular during high sunspot cycles. Power Adjustment
: 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?
an optional internal expansion board designed to add AM and FM mode capabilities
to several Icom HF transceivers from the late 1980s and early 1990s
. While many of these radios feature front-panel "AM/FM" buttons by default, they require this physical unit to actually transmit or receive in those modes. Core Functionality Mode Expansion : Enables the radio to transmit in and both transmit and receive in Applicable Models : Most commonly used with the Icom IC-725 . It is also compatible with the IC-721 series. Note on Other Models : The unit is required for the , as these models typically include these modes as standard RigPix Database Installation Overview
The UI-7 is a plug-in board that installs into the bottom of the transceiver. Key installation steps include: : The board plugs into the on the underside of the radio, typically near the rear. Connections Inserts into the 10-pin plug at on the Main Unit. Two 3-pin plugs connect to A supplied brown wire must be connected between the UI-7 and J5 on the Front Unit to enable the front-panel button functionality. Tone Capability
Programmable Tone Unit can be "sandwiched" or plugged directly into the UI-7 for repeater access. How to Identify Installation
Since the front-panel buttons exist on every unit regardless of the board's presence, you can verify if a UI-7 is installed without fully disassembling the radio: Visual Check : Look through the air flow grill on the rear right side of the bottom
of the radio (when upside down). If the space behind the grill is blocked by a circuit board, the UI-7 is likely installed. Functional Check
: Attempting to switch to AM or FM mode; if the board is missing, the radio will typically remain in its previous mode or the buttons will have no effect on transmission/reception. or current second-hand prices for the UI-7 board?