The HES380D from Sainty-Tech Communications Limited is a RF Amplifier with Frequency 10 to 400 MHz, Gain 16 to 17 dB, Gain Flatness ±0.5 dB, Noise Figure 3.2 dB, Output Power 19 to 20 dBm. Tags: Power Amplifier. More details for HES380D can be seen below.