The BZ-05400590-071325-102020 from B&Z Technology is a RF Amplifier with Frequency 5.4 to 5.9 GHz, Gain 25 to 27 dB, Gain Flatness ±1 dB, Noise Figure 0.6 to 0.7 dB, Output Power 13 to 15 dBm. Tags: Power Amplifier. More details for BZ-05400590-071325-102020 can be seen below.