The GN 500 from Prana is a RF Amplifier with Frequency 100 KHz to 200 MHz, Gain 55 dB, Gain Flatness ±3 dB, Output Power 52.55 to 56.53 dBm, Output Power 179.89 to 449.78 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for GN 500 can be seen below.