The HES365 from Sainty-Tech Communications Limited is a RF Amplifier with Frequency 20 to 200 MHz, Gain 17 to 18 dB, Gain Flatness ±1.0 dB, Noise Figure 4.2 dB, Output Power 17 to 18 dBm. Tags: Power Amplifier. More details for HES365 can be seen below.