The HE373C from Sainty-Tech Communications Limited is a RF Amplifier with Frequency 20 to 1000 MHz, Gain 12 to 12.5 dB, Gain Flatness ±0.5 dB, Noise Figure 4.2 dB, Output Power 17 dBm. Tags: Power Amplifier. More details for HE373C can be seen below.