The ?D-118-4/LL from ET Industries is a Power Divider with Frequency 1 to 18 GHz, Insertion Loss 2.0 dB, Isolation 17 dB, Input Power 20 W, Amplitude Balance ± 0.5 dB. Tags: Module with Connectors, Stripline Power Divider. More details for ?D-118-4/LL can be seen below.