The CDM-30-2.0G SQ from Crane Aerospace & Electronics is a Dual Directional Coupler with Coupling 30 dB, Coupling Variation ±1.25 dB, Frequency 1985 to 2015 MHz, Average Power 20 W (CW), Insertion Loss 0.4 dB. Tags: Module with Connectors. More details for CDM-30-2.0G SQ can be seen below.