The HEM380A from Sainty-Tech Communications Limited is a RF Amplifier with Frequency 10 to 400 MHz, Gain 13 to 14 dB, Gain Flatness ±0.5 dB, Noise Figure 3.5 dB, Output Power 16 to 17 dBm. Tags: Power Amplifier. More details for HEM380A can be seen below.