The APD-4-3D5G4D5G-SFF-20W from Quantic PMI (Planar Monolithics) is a Power Divider with Frequency 3.5 to 4.5 GHz, Insertion Loss 1 dB, Isolation 17 dB, Input Power 20 W, Storage Temperature -55 to 100 Degree C. Tags: Module with Connectors. More details for APD-4-3D5G4D5G-SFF-20W can be seen below.