The BZ-04501350-151031-152020 from B&Z Technology is a RF Amplifier with Frequency 4.5 to 13.5 GHz, Gain 31 to 32 dB, Gain Flatness ±1 to 1.5 dB, Noise Figure 1.4 to 1.5 dB, Output Power 10 to 12 dBm. Tags: Low Noise Amplifier. More details for BZ-04501350-151031-152020 can be seen below.