The VBA250-800 from Vectawave Technology is a RF Amplifier with Frequency 0.01 to 250 MHz, Gain 63 dB, Gain Flatness ±2 dB, Output Power 56.99 to 58.75 dBm, Output Power 500.03 to 749.89 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for VBA250-800 can be seen below.