The HE386B from BOWEI Integrated Circuits is a RF Amplifier with Frequency 20 to 200 MHz, Gain 10 to 10.5 dB, Gain Flatness ±0.5 dB, Noise Figure 1.5 to 1.6 dB, Output Power 19 dBm. Tags: Drop-In, Power Amplifier. More details for HE386B can be seen below.