The PDM-21-6.3G SQ from Crane Aerospace & Electronics is a Space Qualified Power Divider with Frequency 5.7 to 6.9 GHz, Insertion Loss 0.3 dB, Isolation 20 dB, Input Power 2 W, Amplitude Balance 0.2 dB. Tags: Module with Connectors, Stripline. More details for PDM-21-6.3G SQ can be seen below.