Kenwood Tkm707 Mods -

On many TKM-707 units, you can’t type “14.250” directly. Instead, you must scroll. However, some firmware versions allow:

Difficulty: Easy (internal pot)
Procedure: kenwood tkm707 mods

Note: Exceeding 150W may damage final transistors (2SC2879). For higher power, external amplifier is recommended. On many TKM-707 units, you can’t type “14

The Kenwood TKM-707 is a rugged, 150-watt PEP marine SSB transceiver, widely used on commercial and recreational vessels. Its popularity among amateur radio operators (hams) stems from its robust build, high output power, and relative affordability on the used market. However, the unit is factory-locked to marine frequencies (1.6–30 MHz, primarily in 2 kHz steps for ITU channels). This report details the most requested modifications to expand frequency coverage, improve performance, and adapt the unit for general coverage and amateur bands. Note: Exceeding 150W may damage final transistors (2SC2879)