The D-0518-8 from ET Industries is a Power Divider with Frequency 0.5 to 18 GHz, Insertion Loss 7 dB, Isolation 15 to 21 dB, Input Power 20 W, Amplitude Balance ± 0.7 dB. Tags: Module with Connectors, Stripline Power Divider. More details for D-0518-8 can be seen below.