The CD-2-1000-4000-20-20-160-NM-NF-NF / 011097 from DETI Microwave is a Dual Directional Coupler with Coupling 20 dB, Coupling Variation ±1 dB(Coupling value tolerance), Frequency 1 to 4 GHz, Peak Power 3 kW, Average Power 160 W. Tags: Module with Connectors. More details for CD-2-1000-4000-20-20-160-NM-NF-NF / 011097 can be seen below.