The HE397A from BOWEI Integrated Circuits is a RF Amplifier with Frequency 10 MHz to 2 GHz, Gain 15 to 17 dB, Gain Flatness ±0.6 to 1 dB, Noise Figure 1.7 to 3.5 dB, Output Power 15 to 16 dBm. Tags: Drop-In, Power Amplifier. More details for HE397A can be seen below.