The PTB-20-1050-5R0-20-220VAC-240FF from Quantic PMI (Planar Monolithics) is a RF Amplifier with Frequency 10 to 50 GHz, Gain 20 dB, Gain Flatness ±2 dB, Noise Figure 5 to 5.5 dB, P1dB 10 to 15 dBm. Tags: Power Amplifier. More details for PTB-20-1050-5R0-20-220VAC-240FF can be seen below.