The CD-1-15000-18000-30-200-TF-TF-SF / 011085 from DETI Microwave is a Directional Coupler with Frequency 15 to 18 GHz, Coupling 30 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±1 dB, Directivity 20 to 22 dB. Tags: Module with Connectors. More details for CD-1-15000-18000-30-200-TF-TF-SF / 011085 can be seen below.