The HE394B from BOWEI Integrated Circuits is a RF Amplifier with Frequency 10 MHz to 1 GHz, Gain 15 to 16 dB, Gain Flatness ±0.5 dB, Noise Figure 4.5 dB, Output Power 15 to 16 dBm. Tags: Drop-In, Power Amplifier. More details for HE394B can be seen below.