Tunwall Radio TRC-1
Single Switch Controller

The Tunwall Radio TRC-1 controller is an FM or AM non-directional controller. It is designed for one coaxial switch or 120V AM contactor, two transmitters, one antenna and a dummy load. The key [...]

Tunwall Radio TRC-1P
Single Switch Controller with Plate on/Plate off Function

The Tunwall Radio TRC-1P controller is an FM or AM non-directional controller. It is designed for one coaxial switch or 120V AM contactor, two transmitters, one antenna and a dummy load. The key [...]

Tunwall Radio TRC-2
Two-Switch Controller

The Tunwall Radio TRC-2 controller is an FM or non-directional AM controller. It is designed for two coax switches or 120V AM contactors, two or three transmitters and two antennas. The key switch [...]

Tunwall Radio TRC-2A
Two-Switch Controller

The Tunwall Radio TRC-2A controller is an FM or non-directional AM controller. It is designed for two coaxial switches or 120V AM contactors, two or three transmitters and two antennas. The key [...]

Tunwall Radio TRC-3
Three-Switch Controller

The Tunwall Radio TRC-3 three switch controller is for combined FM transmitter systems. It is designed for three coaxial switches, one antenna and a combiner/injector. Logic for a third transmitter [...]