The HEM008 from Sainty-Tech Communications Limited is a RF Amplifier with Frequency 3100 to 3400 MHz, Gain 22 to 23 dB, Gain Flatness ±0.5 dB, Noise Figure 1.1 dB, Output Power 8 to 9 dBm. Tags: Low Noise Amplifier. More details for HEM008 can be seen below.