The PDM-61-4G SQ from Crane Aerospace & Electronics is a Power Divider with Frequency 3.6 to 4.4 GHz, Insertion Loss 0.8 dB, Isolation 15 dB, Input Power 10 W, Amplitude Balance ±0.4 dB. Tags: Module with Connectors, Stripline Power Divider. More details for PDM-61-4G SQ can be seen below.