The PE2157R52015SFF Rev. D from Quantic PMI (Planar Monolithics) is a RF Amplifier with Frequency 7500 to 20250 MHz, Gain 14.5 to 17.5 dB, Gain Flatness 1.5 dB, (Measured) ±1.13 dB, Noise Figure 6 dB, (Measured) 4.57 dB, P1dB 18 dBm. Tags: Surface Mount, Low Noise Amplifier. More details for PE2157R52015SFF Rev. D can be seen below.