The RRP9397400-56A from RFHIC is a Solid-State Power Amplifier that operates in the X-band from 9300 to 9700 MHz. It delivers an output power of 400 W with a gain of 54 dB and has a Power Added Efficiency (PAE) of 25%. This power amplifier is fabricated using GaN High Electron Mobility (HEMT) technology that offers a high breakdown voltage, wider bandwidth and high efficiency. It has a pulse width of 100 µs, rise/fall time of less than 50 ns and a duty cycle of 10%. The SSPA requires a DC supply voltage of 50 V and consumes less than 250 W of power. It is available in a through-hole module that measures 220 x 120 x 23 mm and has SMA / N-type (female) connectors. This amplifier is ideal for use in naval, surveillance, air traffic control, threat detection, space exploration, missile tracking, meteorological and weather radar system applications.