Note: Frequencies will now expand to cover 1.6 MHz through 30 MHz for transmit. Audio and Microphone Upgrades
The front-panel microphone connector uses an 8-pin configuration. Modification of the mic circuit is sometimes necessary when adapting standard Kenwood desk mics (like the MC-60) for this marine chassis. Cooling Improvements: Although the
As a high-power (50W VHF/35W UHF) radio, the G707 can get quite warm during extended transmissions or packet radio use. Many operators mount a small computer fan on the rear heatsink. kenwood tkm707 mods
The TKM-707 defaults to a channelized operation, limiting its flexibility. By setting the DIP switches, you can enable VFO (Variable Frequency Oscillator) mode, which allows for continuous tuning across the radio's frequency range.
Implementing modifications on a is often discussed as a way to expand the hardware's versatility, potentially transforming it into a continuous-coverage HF transceiver. Such adjustments allow the equipment to interface with various communication environments, including amateur radio bands, Emergency Medical Services (EMS) networks, and non-commercial shortwave allocations. Technical Overview of General Coverage Modifications Note: Frequencies will now expand to cover 1
The Kenwood TM-G707 (and its variations) remains a beloved, rugged dual-band VHF/UHF mobile transceiver among amateur radio operators, even years after its release. Known for its robust build quality, large, clear display, and remote-head capability, it is an excellent workhorse for both shack and mobile use. However, like many amateur radios, the TM-G707 was designed with certain band limitations and functional constraints tailored to regional regulations.
Detach the front panel from the main transceiver body. Cooling Improvements: Although the As a high-power (50W
Because this unit is often used in marine environments, "modifications" frequently involve upgrading vulnerable components: Grounding Improvements
Modifications that extend the transmit range of this transceiver are intended for use only by licensed individuals operating on authorized frequencies (e.g., MARS or CAP).
requires a high current draw when delivering its full 150-watt output. Ensuring that the primary power lines use high-gauge copper wiring and modern, low-resistance fuse blocks helps maintain a stable 13.6 VDC. All DC power modifications must follow standard electrical safety codes to prevent voltage drops or thermal hazards during peak operation. Optimizing the Antenna Tuner Interface To effectively utilize a modified Go to product viewer dialog for this item.
Many online forums and resources (such as mods.dk ) provide specific details on this, as the exact component location (often designated by silkscreen labels like W601 , R47 , etc.) can vary between different PCB revisions. The core principle is to disable a frequency-locking diode matrix that restricts the radio to only its marine frequency segments.