The APTHP3-00030051-1042-D9 from AmpliTech, Inc. is a RF Amplifier with Frequency 30 to 512 MHz, Gain 30 dB, Gain Flatness ±1.5 dB, Output Power 40 to 42 dBm, Output Power 10 to 15.85 W. Tags: Low Noise Amplifier. More details for APTHP3-00030051-1042-D9 can be seen below.