Icom | Ui-7 Am Fm Unit Verified
The FM mode is widely used on the 10-meter band (28.0 - 29.7 MHz) for local communication, including through repeaters. This makes the UI-7 particularly valuable for ham radio operators who want to fully utilize this band.
The UI-7 was designed to fit into a specific generation of Icom radios. It is most famously associated with the following rigs:
Let’s weigh the pros and cons.
Once installed, selecting the mode on the radio will activate the corresponding AM or FM circuits. Where to Find the UI-7 Today
Disconnect the radio from the power supply or DC power cord completely. icom ui-7 am fm unit
| 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 |
It was designed specifically for entry-level HF transceivers to add missing operational modes without increasing the base cost for operators who did not need them. 📻 Why It Was Needed The FM mode is widely used on the 10-meter band (28
The unit typically mounts onto the main logic or RF board (depending on the specific model) via pre-installed pins.
The primary purpose of the Icom UI-7 is to add FM mode capabilities (both transmitting and receiving depending on the host radio) and to optimize AM reception. It is most famously associated with the following
Though primarily known as an FM unit, the UI-7 also interfaces with the AM circuitry. In models like the IC-R72, it aids in optimal signal routing and squelch handling for AM shortwave broadcasts, ensuring that you get the most out of global news and international broadcast stations. Step-by-Step Installation Guide