The PA1805M1880M from Lotus Communication Systems is a RF Amplifier with Frequency 1.805 to 1.88 GHz, Gain 37.5 to 38.5 dB, Small Signal Gain 36 to 37.5 dB, Output Power 34 to 35 dBm(P3 dB), Output Power 2.51 to 3.16 W(P3 dB). Tags: Power Amplifier, Driver Amplifier. More details for PA1805M1880M can be seen below.