The HE387C from BOWEI Integrated Circuits is a RF Amplifier with Frequency 100 to 700 MHz, Gain 20 to 21 dB, Gain Flatness ±0.6 to 1 dB, Noise Figure 2.5 to 4 dB, Output Power 15 to 16 dBm. Tags: Drop-In, Power Amplifier. More details for HE387C can be seen below.