The DBDC2002600520C from Qotana is a Directional Coupler with Frequency 2.6 to 5.2 GHz, Coupling 18.75 to 21.25 dB, Frequency Sensitivity ±0.75 dB, Directivity 20 dB, Average Power 50 W. Tags: Module with Connectors. More details for DBDC2002600520C can be seen below.