RF remote control system for a mini HD camera. This one is using the licence-free 433MHz band.
World Rally Championship media box. Contains 2 HD recorders, AGC mic amps and power supplies with battery backup. It records 7 seconds before and 2 minutes after a rally stage. It carries on recording if the car stops on the stage for whatever reason. And there’s space for an HD link and a 2 watt PA!