The D4-83FE from Microlab is a Power Divider with Frequency 617 MHz to 5.925 GHz, Insertion Loss 0.25 to 0.5 dB, Input Power 300 W, Amplitude Balance 0.6 to 0.8 dB, PIM -161 dBc. Tags: Module with Connectors, Reactive Power Divider. More details for D4-83FE can be seen below.
