The C1-C29-06 from RD Microwaves is a Directional Coupler with Frequency 7.5 to 16 GHz, Coupling 6 to 30 dB, Coupling Variation ±0.75 to ±1.25 dB, Directivity 12 to 15 dB, Average Power 10 to 50 W. Tags: Module with Connectors. More details for C1-C29-06 can be seen below.