The VBA400-30 from Vectawave Technology is a RF Amplifier with Frequency 0.01 to 400 MHz, Gain 46 dB, Gain Flatness ±2 dB, Output Power 43.01 to 44.77 dBm, Output Power 20 to 29.99 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for VBA400-30 can be seen below.