The BZ1428LD1X1 from B&Z Technology is a RF Amplifier with Frequency 14 to 28 GHz, Gain 28 to 32 dB, Gain Flatness ±1.5 dB, Noise Figure 2.3 to 3 dB, Output Power 8 to 12 dBm. Tags: Low Noise Amplifier. More details for BZ1428LD1X1 can be seen below.