The BZ-04000800-101045-152020 from B&Z Technology is a RF Amplifier with Frequency 4 to 8 GHz, Gain 45 to 47 dB, Gain Flatness ±1.5 dB, Noise Figure 0.9 to 1 dB, Output Power 10 to 12 dBm. More details for BZ-04000800-101045-152020 can be seen below.