The BZ3-02100230-101040-052020 from B&Z Technology is a RF Amplifier with Frequency 2.2 to 2.3 GHz, Gain 40 to 42 dB, Gain Flatness ±0.5 dB, Noise Figure 0.38 to 0.4 dB, Output Power 8 to 10 dBm. Tags: Low Noise Amplifier. More details for BZ3-02100230-101040-052020 can be seen below.