TLPA1.8G4G-45-42 is a power amplifier with a minimum small signal gain of 45 dB and a nominal Psat of 42 dBm across the frequency range of 1.8 to 4 GHz. The DC power requirement for the amplifier is +28 VDC/0.5 A. The input and output port configuration offers coax adapter structure with SMA female.