The PDM-2731-K4 from RF ONE Electronics is a Power Divider with Frequency 27 to 31 GHz, Insertion Loss 1.0 dB, Isolation 16 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-2731-K4 can be seen below.