The PE2-27-5D4G5D9G-1R3-20-12-SMF from Quantic PMI (Planar Monolithics) is a RF Amplifier with Frequency 5.4 to 5.9 GHz, Gain 27 dB, Gain Flatness ±1.5 dB, Noise Figure 1.3 to 1.5 dB, P1dB 20 dBm. Tags: Surface Mount, Low Noise Amplifier. More details for PE2-27-5D4G5D9G-1R3-20-12-SMF can be seen below.