The HEM1054A-3 from Sainty-Tech Communications Limited is a RF Amplifier with Frequency 10 to 200 MHz, Gain 14 to 15.5 dB, Gain Flatness ±1.0 dB, Noise Figure 5 dB, Output Power 26 to 27 dBm. Tags: Power Amplifier. More details for HEM1054A-3 can be seen below.