The DBDC0602000400C from Qotana is a Directional Coupler with Frequency 2 to 4 GHz, Coupling 5 to 7 dB, Frequency Sensitivity ±0.6 dB, Directivity 22 to 25 dB, Average Power 50 W. Tags: Module with Connectors. More details for DBDC0602000400C can be seen below.