The BZ-02000400-051045-102020 from B&Z Technology is a RF Amplifier with Frequency 2 to 4 GHz, Gain 45 dB, Gain Flatness ±1 dB, Noise Figure 0.5 dB, Output Power 10 dBm. Tags: Low Noise Amplifier. More details for BZ-02000400-051045-102020 can be seen below.