The BZT-04000800-090835-152020 from B&Z Technology is a RF Amplifier with Frequency 4 to 8 GHz, Gain 35 to 38 dB, Gain Flatness ±1.5 dB, Noise Figure 0.8 to 0.9 dB, Output Power 8 to 10 dBm. More details for BZT-04000800-090835-152020 can be seen below.