The VZU-6997AY from Communications & Power Industries is a SATCOM Amplifier System with Frequency 17.3 to 18.1 GHz, TWT Power 750 W (58.75 dBm ), Flange Power 650 W (58.13 dBm ), Small Signal Gain 70 to 90 dB, Gain Adjustment Range 0 to 25 dB. Tags: Rack Mount, TWTA. More details for VZU-6997AY can be seen below.