The VZU-6994 from Communications & Power Industries is a SATCOM Amplifier System with Frequency 12.75 to 14.80 GHz, TWT Power 400 W (56.02 dBm, Flange Power 350 W (55.44 dBm), Small Signal Gain 73 to 78 dB, Gain Adjustment Range 0 to 20 dB. Tags: Rack Mount, TWTA. More details for VZU-6994 can be seen below.