The HE572 from Sainty-Tech Communications Limited is a RF Amplifier with Frequency 800 to 3500 MHz, Gain 12 to 14 dB, Gain Flatness ±0.75 dB, Noise Figure 2.3 dB, Output Power 13 to 15.5 dBm. Tags: Power Amplifier. More details for HE572 can be seen below.