The DBDC1000100450A from Qotana is a Directional Coupler with Frequency 100 MHz to 18 GHz, Coupling 8.5 to 15 dB, Frequency Sensitivity ±0.7 to 1.5 dB, Directivity 12 to 20 dB, Average Power 50 W. Tags: Module with Connectors. More details for DBDC1000100450A can be seen below.