The PDM-20-500 from Crane Aerospace & Electronics is a Power Divider with Frequency 5 to 1000 MHz, Insertion Loss 0.7 to 1 dB, Isolation 25 to 30 dB, Input Power 1 W, Amplitude Balance 0.1 to 0.2 dB. Tags: Module with Connectors, Lumped Element Power Divider. More details for PDM-20-500 can be seen below.