The HE385C from Sainty-Tech Communications Limited is a RF Amplifier with Frequency 20 to 250 MHz, Gain 7.5 to 8 dB, Gain Flatness ±0.5 dB, Noise Figure 1.8 dB, Output Power 23 to 23.3 dBm. Tags: Power Amplifier. More details for HE385C can be seen below.