The BZU-02900310-45281015-051515 from B&Z Technology is a RF Amplifier with Frequency 2.9 to 3.1 GHz, Gain 10 to 15 dB, Gain Flatness ±0.5 dB, Noise Figure 1.5 to 4.5 dB, Output Power 21 to 28 dBm. Tags: Power Amplifier. More details for BZU-02900310-45281015-051515 can be seen below.