Kenwood Tkm-707 Mods Upd ★ Working & Recommended
The TKM-707 has 99 memory channels that can store both receive and transmit frequencies separately (for split-frequency operations).
For detailed technical schematics and step-by-step modification guides, refer to the following community repositories: Mods.dk - TKM-707 Repository Kenwood Tkm-707 Mods
Modifying internal radio circuitry involves significant physical hazards and technical risks. For those considering hardware changes, the following standards are recommended: The TKM-707 has 99 memory channels that can
8-pin DIN (ACC) – no direct FSK/FM input. Kenwood Tkm-707 Mods
The Mic input is line-level sensitive and has heavy pre-emphasis (EQ). The Mod: Build a simple voltage divider:
Marine radios modified to transmit on amateur bands must still comply with FCC (or local regulatory) rules regarding spurious emissions and harmonics. Always check your modified radio on a spectrum analyzer if possible.