The Model KAW5050 is a Class AB wideband RF power amplifier system delivering up to 1000 Watts PEP power into a 50-Ohm load over the frequency range of 225 MHz to 400 MHz. The system features forward and reflected power indications on a front-panel mounted digital display; Automatic Level Control (ALC); overdrive protection; full VSWR protection: over-temperature protection, PA final stages current balance protection. Controls include: AC power ON/OFF, transmit/receive, Key ON/OFF. Above functions are remotely accessible via 25-pin, D-sub connector. Additionally, Ethernet remote control is available through RJ-45 LAN port. Standard door interlock BNC connector is located on rear panel. The system comprises a Power Amplifier, controller sub-system and AC Power Supply Units in a 19-inch equipment rack [Optional telescoping slides available.]. The system operates from single or three phase supplies 96-265 VAC, 47-400 Hz, via a configurable AC interface plug. The system is capable of operation from any two of the three power supply units. The system is configured to provide switchable Transmit and Receive paths using an internal coaxial relay.