The HE161D from Sainty-Tech Communications Limited is a RF Amplifier with Frequency 1200 to 1500 MHz, Gain 35 to 35.5 dB, Gain Flatness ±0.5 dB, Output Power 36 to 36.5 dBm, Output Power 3.98 to 4.47 W. Tags: Power Amplifier. More details for HE161D can be seen below.