Icom M700 Mods Jun 2026

Transmitting on frequencies for which you are not licensed is illegal and can interfere with critical emergency services. Ensure all modifications comply with local laws and that you hold the appropriate certifications, such as a General Radiotelephone Operator License (GROL) or an Amateur Radio License.

: Depending on the exact sub-version of your IC-M700 (standard vs. PRO version), clipping or removing a specific diode disables the factory transmit restrictions. icom m700 mods

For detailed schematics and step-by-step instructions, these repositories and sites are frequently cited by the community: Transmitting on frequencies for which you are not

The Icom M700 is a "tank" of a radio. The most valuable modifications are not necessarily functional expansions, but : replacing the cooling fans, upgrading the backlighting to LEDs, and replacing aging electrolytic capacitors. Frequency expansion is possible but requires technical skill to maintain a clean signal. PRO version), clipping or removing a specific diode

Note that the IC-M700 uses a different pinout configuration than standard Icom ham radios (like the IC-7300). The M700 requires a blocking capacitor inline with the audio feed if you are adapting a mic that expects phantom power from the radio. Internal ALC and Mic Gain Adjustments