The DCE10S-0.1-0.7 from ESJ Technology is a Directional Coupler with Frequency 0.1 to 0.7 GHz, Coupling 10 dB, Coupling Variation ±2 dB, Directivity 12 dB, Average Power 10 W. Tags: Module with Connectors. More details for DCE10S-0.1-0.7 can be seen below.