The BZCR-02000400-17K0728-152020 from B&Z Technology is a RF Amplifier with Frequency 2 to 4 GHz, Gain 28 to 31 dB, Gain Flatness ±1.5 dB, Noise Figure 0.2 to 0.25 dB, Output Power 7 to 8 dBm. Tags: Low Noise Amplifier. More details for BZCR-02000400-17K0728-152020 can be seen below.