The HPA 3413U from ND SatCom GmbH is a SATCOM Amplifier System with Frequency 13.75 to 14.50 GHz, TWT Power 56 dBm (400 W), Flange Power 55.4 dBm (350 W), Small Signal Gain 65 to 72 dB, Power 55.4 to 56 dBm. Tags: Rack Mount, TWTA. More details for HPA 3413U can be seen below.