The BG12C from BeRex, Inc. is a RF Amplifier with Frequency 50 MHz to 4 GHz, Gain 16.1 to 21.5 dB, Noise Figure 2.6 to 2.8 dB, Output Power 15.5 to 21 dBm, Output Power 0.04 to 0.13 W. Tags: Surface Mount, Gain Block, Power Amplifier. More details for BG12C can be seen below.