The VZC-6964 from Communications & Power Industries is a SATCOM Amplifier System with Frequency 5.725 to 6.525 GHz, TWT Power 400 W (56.02 dBm), Flange Power 350 W (55.44 dBm), Small Signal Gain 75 to 78 dB, Gain Adjustment Range 0 to 20 dB. Tags: Rack Mount, TWTA. More details for VZC-6964 can be seen below.