The BZ-04000800-071040-152020 from B&Z Technology is a RF Amplifier with Frequency 4 to 8 GHz, Gain 40 to 44 dB, Gain Flatness ±1.5 dB, Noise Figure 0.68 to 0.7 dB, Output Power 10 to 12 dBm. More details for BZ-04000800-071040-152020 can be seen below.