The HE761 from BOWEI Integrated Circuits is a RF Amplifier with Frequency 20 to 500 MHz, Gain 17 to 18.5 dB, Gain Flatness ±0.5 to 1 dB, Noise Figure 4 to 5 dB, Output Power 1 to 5 dBm. Tags: Drop-In, Automatic Gain Controlled Amplifier, Variable Gain Amplifier. More details for HE761 can be seen below.