AFU StuffAFU Amateurfunk / Icom IC-7300 wide band modification / Mods (MARS) / Frequenzerweiterung Icom IC-7300 wide band modification Remove bottom and find the diode matrix (near big chip) Open RX 0.030-74.8Mhz (REMOVE D416) Open TX 0.1-74.8Mhz (REMOVE D422) (D419 is and must be in) ** Only Open TX 60Mtr …