The MP750/500/57HK-R4U17 from G-WAY Microwave is a RF Amplifier with Frequency 0.5 to 1 GHz, Gain 57 dB, Gain Flatness ±2 dB (OFF), ±0.5 dB (ON), Output Power 56.98 dBm, Output Power 498.88 W. Tags: Benchtop / Rackmount, Power Amplifier, Automatic Gain Controlled Amplifier. More details for MP750/500/57HK-R4U17 can be seen below.