The PDM-00518-S2 from RF ONE Electronics is a Power Divider with Frequency 0.5 to 18 GHz, Insertion Loss 1 dB, Isolation 16 dB, Input Power 1 W (Combiner), 30 W (Divider), Amplitude Balance ±0.3 dB. Tags: Module with Connectors, Wilkinson Power Divider, Lumped Element Power Divider. More details for PDM-00518-S2 can be seen below.