The PDM-0218-S4 from RF ONE Electronics is a Power Divider with Frequency 2 to 18 GHz, Insertion Loss 2 dB, Isolation 17 dB, Input Power 1 W (Combiner), 20 W (Divider), Amplitude Balance ±0.4 dB. Tags: Module with Connectors, Wilkinson Power Divider, Lumped Element Power Divider. More details for PDM-0218-S4 can be seen below.