The BZR-00900450-081350-202020 from B&Z Technology is a RF Amplifier with Frequency 900 MHz to 4.6 GHz, Gain 50 to 51 dB, Gain Flatness ±2 dB, Noise Figure 0.7 to 0.9 dB, Output Power 13 dBm. Tags: Power Amplifier. More details for BZR-00900450-081350-202020 can be seen below.