The PA3400M2800M from Lotus Communication Systems is a RF Amplifier with Frequency 3.4 to 3.8 GHz, Gain 34 to 35.5 dB, Small Signal Gain 31.5 to 33.5 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 PA3400M2800M can be seen below.