The PDM-40-250 SQ from Crane Aerospace & Electronics is a Power Divider with Frequency 0.01 to 0.5 GHz, Insertion Loss 1.25 dB, Isolation 25 dB, Input Power 2 W, Amplitude Balance ±0.4 dB. Tags: Module with Connectors, Lumped Element Power Divider. More details for PDM-40-250 SQ can be seen below.