The BZR-00900450-071350-202020 from B&Z Technology is a RF Amplifier with Frequency 900 MHz to 4.6 GHz, Gain 40 to 51 dB, Gain Flatness ±1.8 dB, Noise Figure 0.7 to 0.8 dB, Output Power 10 to 13 dBm. Tags: Low Noise Amplifier. More details for BZR-00900450-071350-202020 can be seen below.