The 4426-2 from Narda-MITEQ is a Power Divider with Frequency 0.5 to 18 GHz, Insertion Loss 0.8 to 1.7 dB, Isolation 19 dB, Input Power 1, 10 & 30 W, Amplitude Balance 0.3 to 0.6 dB. Tags: Module with Connectors. More details for 4426-2 can be seen below.