The 4456-4 from Narda-MITEQ is a Power Divider with Frequency 2 to 18 GHz, Insertion Loss 1 to 1.8 dB, Isolation 18 dB, Input Power 1 to 30 W, Amplitude Balance 0.4 to 0.8 dB. Tags: Module with Connectors, Reactive Power Divider, Multi-Octave Power Divider. More details for 4456-4 can be seen below.