If you are performing these mods yourself, these specialized repositories are the standard references:
He thought about the tugboat captain. Indestructible, and just as deaf. Not anymore. Eli hadn't just fixed a radio. He’d argued with it, persuaded it, bullied it into being something its creators never intended. The M700 was no longer a piece of maritime history. It was a one-of-a-kind instrument, an extension of his own stubborn will, listening to the silent, singing edge of the world. And it was beautiful. icom m700 mods
While this mod covers most HF bands, reaching the 10-meter band (28 MHz) typically requires more complex hardware modifications beyond a simple jumper. 2. Memory and Programming Unlocks If you are performing these mods yourself, these
For those looking to go beyond basic frequency unlocks, advanced hobbyists have documented more complex upgrades: Eli hadn't just fixed a radio
While modern maritime gear is often "black box" architecture—sealed, software-locked, and disposable—the M-700 is a relic of the golden age of radio. It uses discrete components, robust filters, and an architecture that invites modification.
The DSC upgrade requires a hardware modification and may require professional assistance. Consult an authorized Icom dealer or a qualified technician for this mod.
can increase this capacity to 480 channels, making it more practical for the various ham bands. Unlocking Programming: