The 4314B-4 from Narda-MITEQ is a Power Divider with Frequency 4 to 8 GHz, Insertion Loss 0.5 dB, Isolation 20 dB, Input Power 3 to 30 W, Amplitude Balance 0.3 dB. Tags: Module with Connectors, Reactive Power Divider, Octave Power Divider. More details for 4314B-4 can be seen below.