The BZ-04400500-070540-102020 from B&Z Technology is a RF Amplifier with Frequency 4.4 to 5 GHz, Gain 26 to 40 dB, Gain Flatness ±1 dB, Noise Figure 0.5 to 0.55 dB, Output Power 8 to 10 dBm. Tags: Low Noise Amplifier. More details for BZ-04400500-070540-102020 can be seen below.