The NP-500 from NP Technologies Inc is a RF Amplifier with Frequency 20 to 500 MHz, Gain 41 to 44 dB, Gain Flatness ±0.8 to ±1.3 dB, Output Power 43.98 to 46.99 dBm, Output Power 25 to 50 W. Tags: Power Amplifier. More details for NP-500 can be seen below.