The BG20A from BeRex, Inc. is a RF Amplifier with Frequency 5 to 800 MHz, Gain 22.3 to 24 dB, Noise Figure 3.4 to 3.6 dB, Output Power 20.3 to 20.5 dBm, Output Power 0.107 to 0.112 W. Tags: Surface Mount, Power Amplifier. More details for BG20A can be seen below.