The HE388A from BOWEI Integrated Circuits is a RF Amplifier with Frequency 20 to 400 MHz, Gain 25 to 26 dB, Gain Flatness ±0.5 dB, Noise Figure 3.5 to 4 dB, Output Power 22 to 22.5 dBm. Tags: Drop-In, Power Amplifier. More details for HE388A can be seen below.