The HE383B from BOWEI Integrated Circuits is a RF Amplifier with Frequency 20 to 500 MHz, Gain 10 to 11 dB, Gain Flatness ±0.5 to 1 dB, Noise Figure 4 dB, Output Power 16 to 16.5 dBm. Tags: Drop-In, Power Amplifier. More details for HE383B can be seen below.