The TWAP 0408-4000 from BONN Elektronik is a RF Amplifier with Frequency 4 to 8 GHz, Gain 70 dB, Gain Flatness ±4 dB, Output Power 66.021 dBm, Output Power 4000 W. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for TWAP 0408-4000 can be seen below.