The HE373B from BOWEI Integrated Circuits is a RF Amplifier with Frequency 10 MHz to 1 GHz, Gain 14 to 15 dB, Gain Flatness ±0.5 dB, Noise Figure 2.8 to 3 dB, Output Power 8 to 8.5 dBm. Tags: Drop-In, Power Amplifier. More details for HE373B can be seen below.