The HPA 3413A 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, Noise Figure 15 dB. Tags: Rack Mount, TWTA. More details for HPA 3413A can be seen below.