The DBDC2002001800C from Qotana is a Directional Coupler with Frequency 2 to 18 GHz, Coupling 19 to 21 dB, Frequency Sensitivity ±0.5 to 0.8 dB, Directivity 12 to 15 dB, Average Power 50 W. Tags: Module with Connectors. More details for DBDC2002001800C can be seen below.