The HE161B from Sainty-Tech Communications Limited is a RF Amplifier with Frequency 1200 to 1500 MHz, Gain 32 to 32.5 dB, Gain Flatness ±0.5 dB, Output Power 33 to 33.5 dBm, Output Power 2 to 2.24 W. Tags: Power Amplifier. More details for HE161B can be seen below.