The BG14B from BeRex, Inc. is a RF Amplifier with Frequency 5 MHz to 6 GHz, Gain 11.9 to 17.3 dB, Noise Figure 5 to 9.5 dB, Output Power 15.5 to 19.5 dBm, Output Power 0.04 to 0.09 W. Tags: Surface Mount, Gain Block, Power Amplifier. More details for BG14B can be seen below.