The CDM-10M-12G from Crane Aerospace & Electronics is a Dual Directional Coupler with Coupling 10 dB, Coupling Variation ±1.25 dB, Frequency 8000 to 16000 MHz, Average Power 50 W, Insertion Loss 2.2 dB. Tags: Module with Connectors. More details for CDM-10M-12G can be seen below.