The VZX-6984A4 from Communications & Power Industries is a RF Amplifier with Frequency 7.9 to 8.4 GHz, Gain 75 to 78 dB, Small Signal Gain 1 to 2.5 dB pk-pk, Output Power Limit 55.44 to 56.02 dBm, Harmonics -60 dBc. Tags: Benchtop / Rackmount, Power Amplifier. More details for VZX-6984A4 can be seen below.