The PA-50-0D81-SFNF from Quantic PMI (Planar Monolithics) is a RF Amplifier with Frequency 800 MHz to 1 GHz, Gain 45 to 57 dB, Gain Flatness ±1 to 1.5 dB, Noise Figure 7 to 10 dB, Output Power 47.5 to 49 dBm. Tags: Power Amplifier. More details for PA-50-0D81-SFNF can be seen below.