The CD-1-27000-31000-10-5-KF-KF-KF / 011061 from DETI Microwave is a Directional Coupler with Frequency 27 to 31 GHz, Coupling 10 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.5 dB, Directivity 15 dB. Tags: Module with Connectors. More details for CD-1-27000-31000-10-5-KF-KF-KF / 011061 can be seen below.