The HE390C from BOWEI Integrated Circuits is a RF Amplifier with Frequency 20 MHz to 1 GHz, Gain 12 to 13 dB, Gain Flatness ±1 dB, Noise Figure 3 to 5 dB, Output Power 29 to 30 dBm. Tags: Drop-In, Power Amplifier. More details for HE390C can be seen below.