The PDM-2021-S3 from RF ONE Electronics is a Power Divider with Frequency 20 to 21 GHz, Insertion Loss 0.8 dB, Isolation 18 dB, Input Power 1 W (Combiner), 20 W (Divider), Amplitude Balance ±1.2 dB. Tags: Module with Connectors, Wilkinson Power Divider, Lumped Element Power Divider. More details for PDM-2021-S3 can be seen below.