The 1CSX506-10 from Werbel Microwave is a Directional Coupler with Frequency 500 MHz to 6 GHz, Coupling 10 dB, Coupling Variation ±0.7 dB, Directivity 18 dB, Average Power 6 to 30 W. Tags: Module with Connectors. More details for 1CSX506-10 can be seen below.