The RRP1214500-14 from RFHIC is a GaN HEMT pulse amplifier module designed for radar system applications from 1.2 GHz to 1.4 GHz. It provides an output power of 500 W, a gain of 14 dB and an efficiency of 55% with a 50 V supply. It has a 10% of duty cycle, a pulse width of 100 us and a matched impedance of 50 Ohms with high thermal stability. The amplifier is 65 x 30 x 6.5 mm in dimension.