The HE372B from BOWEI Integrated Circuits is a RF Amplifier with Frequency 10 to 500 MHz, Gain 19 to 20 dB, Gain Flatness ±0.5 to 1 dB, Noise Figure 2.2 to 3.5 dB, Output Power 9.5 to 10 dBm. Tags: Drop-In, Power Amplifier. More details for HE372B can be seen below.