The BG17A from BeRex, Inc. is a RF Amplifier with Frequency 5 MHz to 4 GHz, Gain 14.8 to 19 dB, Noise Figure 4.8 to 5.5 dB, Output Power 16.1 to 19.2 dBm, Output Power 0.04 to 0.08 W. Tags: Surface Mount, Gain Block, Power Amplifier. More details for BG17A can be seen below.