The BZR-00900450-091045-182020 from B&Z Technology is a RF Amplifier with Frequency 900 MHz to 4.6 GHz, Gain 30 to 41 dB, Gain Flatness ±0.7 dB, Noise Figure 0.9 to 1.1 dB, Output Power 20 dBm. Tags: Low Noise Amplifier. More details for BZR-00900450-091045-182020 can be seen below.