The STA1140 from Stellar Satcom is a SATCOM Amplifier System with Frequency 5.85 to 6.65 GHz, TWT Power 56.02 dBm (400 W), Flange Power 55.44 dBm (350 W), Small Signal Gain 25 to 75 dB, Power 55.43 to 56.02 dBm. Tags: System, TWTA. More details for STA1140 can be seen below.