The PDM-04518-S16 from RF ONE Electronics is a Power Divider with Frequency 4.5 to 18 GHz, Insertion Loss 2.2 dB, Isolation 17 dB, Input Power 1 W (Combiner), 20 W (Divider), Amplitude Balance ±0.6 dB. Tags: Module with Connectors. More details for PDM-04518-S16 can be seen below.