The NP-511 from NP Technologies Inc is a RF Amplifier with Frequency 400 MHz to 1 GHz, Gain 45 to 48 dB, Gain Flatness ±0.5 to ±1 dB, Output Power 46.99 to 48.75 dBm, Output Power 50 to 74.99 W. Tags: Power Amplifier. More details for NP-511 can be seen below.