The BZR-17702120-131035-131315 from B&Z Technology is a RF Amplifier with Frequency 17.7 to 21.2 GHz, Gain 35 to 37 dB, Gain Flatness ±1.3 dB, Noise Figure 1.1 to 1.3 dB, Output Power 10 to 12 dBm. Tags: Low Noise Amplifier. More details for BZR-17702120-131035-131315 can be seen below.