The DCE40N-0.5-6-200 from ESJ Technology is a Directional Coupler with Frequency 0.5 to 6 GHz, Coupling 40 dB, Coupling Variation ±2 dB, Directivity 15 dB, Average Power 200 W. Tags: Module with Connectors. More details for DCE40N-0.5-6-200 can be seen below.