The Ameritron ALS-500RC is a remote control head for the Ameritron ALS-500M amplifier with serial number 13049 and above. (For ALS-500M units with a serial number below 13049, you can purchase the ARF-500K remote kit to modify your ALS-500M
to use the ALS-500RC) The ALS-500RC allows the amplifier to be located away from the operating station and still have access of the amplifiers front panel controls. The ALS-500RC operates the amplifiers power switch and frequency select
switch. The ALS-500RC has LEDs to indicate power, transmit and overload. It also has a current meter.