Icom M700 Mods |best| -

The Icom IC-M700 is a classic marine HF transceiver that has become a popular project for amateur radio enthusiasts due to its robust build and low second-hand cost. While originally locked to marine bands, several modifications can unlock its full potential for ham radio use. Core Functionality Modifications

: Replacing the standard memory can expand the radio from its original 48 channels to 480 channels 10-Meter Band

Resistor Check: High-wattage carbon resistors (1W and 2W) often drift out of tolerance and should be verified.

⚠️ WARNING:

• Benefit: Enables simultaneous monitoring of two channels.
• Description: This mod allows the M700 to monitor two channels simultaneously, making it easier to stay on top of communications.

Modification:

Some users install a dedicated toggle switch to disable "split" behavior, making standard simplex programming faster. Filter Limitations:

Which of those follow-ups would you like?

• SEND (PTT line)
• Audio out (from detector)
• Mod in (balanced modulator input)