The BZ-02000400-172136-102020 from B&Z Technology is a RF Amplifier with Frequency 2 to 4 GHz, Gain 36 to 37 dB, Gain Flatness ±1 dB, Noise Figure 1.6 to 1.7 dB, Output Power 21 to 23 dBm. Tags: Power Amplifier. More details for BZ-02000400-172136-102020 can be seen below.