The 4456-2 from Narda-MITEQ is a Power Divider with Frequency 2 to 18 GHz, Insertion Loss 0.5 to 1.2 dB, Isolation 19 to 20 dB, Input Power 1 to 30 W, Amplitude Balance 0.2 to 0.3 dB. Tags: Module with Connectors, Reactive Power Divider, Multi-Octave Power Divider. More details for 4456-2 can be seen below.