The BZ-02000400-302730-102020 from B&Z Technology is a RF Amplifier with Frequency 2 to 4 GHz, Gain 30 to 38 dB, Gain Flatness ±1 dB, Noise Figure 1.8 to 3 dB, Output Power 27 to 33 dBm. Tags: Power Amplifier. More details for BZ-02000400-302730-102020 can be seen below.