The PA1900M2000M from Lotus Communication Systems is a RF Amplifier with Frequency 1.9 to 2 GHz, Gain 36 to 37.5 dB, Small Signal Gain 34 to 36 dB, Output Power 34 to 36 dBm(P3 dB), Output Power 2.51 to 3.98 W(P3 dB). Tags: Power Amplifier, Driver Amplifier. More details for PA1900M2000M can be seen below.