The PDM-31-19.25G SQ from Crane Aerospace & Electronics is a Power Divider with Frequency 18.3 to 20.2 GHz, Insertion Loss 1.5 dB, Isolation 18 dB, Input Power 10 W, Amplitude Balance ±1 dB. Tags: Module with Connectors, Stripline Power Divider. More details for PDM-31-19.25G SQ can be seen below.