The DCE10S-0.1-0.11 from ESJ Technology is a Directional Coupler with Frequency 0.1 to 0.11 GHz, Coupling 10 dB, Coupling Variation ±1 dB, Directivity 20 dB, Average Power 10 W. Tags: Module with Connectors. More details for DCE10S-0.1-0.11 can be seen below.