The HE388D-6 from BOWEI Integrated Circuits is a RF Amplifier with Frequency 20 to 550 MHz, Gain 17 to 18 dB, Gain Flatness ±0.6 to 1 dB, Noise Figure 1.3 to 1.7 dB, Output Power 24 dBm. Tags: Drop-In, Power Amplifier. More details for HE388D-6 can be seen below.