Engineering Radio RAYNET

Experimenting with CAIRO – a Passive Adapter for the VX-7

CAIRO is a standard for wiring between radios and accessories. It is sometimes used in RAYNET to allow remote control of radios, and offers an advantage that any CAIRO accessory can be connected to any CAIRO radio. That would be very useful for me, for example Headset with VX-7, 8900, 897 or any future radio. […]