The DBDC2004001240C from Qotana is a Directional Coupler with Frequency 4 to 12.4 GHz, Coupling 19 to 21 dB, Frequency Sensitivity ±0.3 to 0.4 dB, Directivity 17 to 18 dB, Average Power 50 W. Tags: Module with Connectors. More details for DBDC2004001240C can be seen below.