The BVA3153 from BeRex, Inc. is a RF Amplifier with Frequency 3.6 to 4.2 GHz, Gain 36 to 41 dB, Gain Flatness 0.3 to 1 dB, Noise Figure 4 dB, Output Power 26.7 dBm. Tags: Surface Mount, Power Amplifier, Digital Variable Gain Amplifier, Gain Block. More details for BVA3153 can be seen below.