The NBB-500 from Qorvo is a RF Amplifier with Frequency DC to 4 GHz, Gain 20 dB, Noise Figure 3.2 dB, Output Power 12.3 dBm, Output Power 0.02 W. Tags: Surface Mount, Power Amplifier, Gain Block, Driver Amplifier. More details for NBB-500 can be seen below.