Quantic PMI Model APD-4-3D5G4D5G-SFF-20W is an in-phase, 1:4 power divider that operates over the 3.5 to 4.5 GHz frequency range offering a low insertion loss of 1 dB, isolation of 17 dB minimum and can handle 20 W input power. Housing size is 0.59" x 1.81" x 3.15" and is supplied with SMA female connectors.