The NP-504 from NP Technologies Inc is a RF Amplifier with Frequency 100 to 500 MHz, Gain 49 to 54 dB, Gain Flatness ±1 dB, Output Power 51.14 to 53.01 dBm, Output Power 130.02 to 199.99 W. Tags: Power Amplifier. More details for NP-504 can be seen below.