Icom M700 Mods [repack] · Validated & Exclusive

The detailed above—especially the PLL unlock and the audio tap—turn a clunky marine brick into a serious contesting, DX, and digital mode machine. It's heavy, it's loud, and it's nearly indestructible.

: Adding a speech processor to improve transmit audio punch for amateur use. Microphone Replacement : Because the original HM28 microphone is discontinued, a modification procedure exists to adapt the microphone, involving internal board unsoldering. Digital Modes icom m700 mods

: If the channel lock is intermittent, cleaning flux residue from the discrete PLL circuit boards can resolve many stability issues. The detailed above—especially the PLL unlock and the

Marine radios are type-accepted for specific maritime bands (Tx 1.6–27.5 MHz). They are not legally permitted to transmit on Amateur Radio bands (160m through 10m). However, the hardware inside the M-700 is fully capable of operating across a broad spectrum of HF frequencies. They are not legally permitted to transmit on

If the front-panel 10-keypad is non-responsive for manual frequency entry, check the small toggle switch S1228 located on the Matrix board.