The PDM-81-12G SQ from Crane Aerospace & Electronics is a Power Divider with Frequency 10.5 to 13 GHz, Insertion Loss 1.4 dB, Isolation 16 dB, Input Power 2 W, Amplitude Balance ±0.5 dB. Tags: Module with Connectors, Wilkinson Power Divider. More details for PDM-81-12G SQ can be seen below.