The PE2-45-2R018G0-4R5-22-12-SFF-OPT2G20G from Quantic PMI (Planar Monolithics) is a RF Amplifier with Frequency 2000 to 20000 MHz, Gain 42 dB, Gain Flatness ± 1.5 dB, Noise Figure 4.5 dB, P1dB 19 to 20 dBm. Tags: Surface Mount, Low Noise Amplifier. More details for PE2-45-2R018G0-4R5-22-12-SFF-OPT2G20G can be seen below.