The HE312 from BOWEI Integrated Circuits is a RF Amplifier with Frequency 1 to 110 MHz, Gain 15 to 17 dB, Gain Flatness ±0.3 to 1 dB, Noise Figure 3.5 to 4.5 dB, Output Power 19 dBm. Tags: Drop-In, Power Amplifier. More details for HE312 can be seen below.