• Sign up for our email for product news and updates


The ATC-550 Antenna Tuner Controller has two RS-232 serial ports on one 9 pin D connector. One port is connected to the TFM-550 transceiver for frequency and transmit control information while the other port can be connected to the RC-550 slave control head if required. Power and ground is applied to this connector. The second 9 pin D connector supplies 28 volt power and control information to the antenna tuner.