The BGS3 from BeRex, Inc. is a RF Amplifier with Frequency 30 MHz to 4 GHz, Gain 18 to 28 dB, Noise Figure 1.7 to 2 dB, Output Power 14.5 to 17.4 dBm, Output Power 0.03 to 0.05 W. Tags: Surface Mount, Driver Amplifier, Gain Block, Power Amplifier. More details for BGS3 can be seen below.