The DBDC2000370600C from Qotana is a Directional Coupler with Frequency 375 MHz to 6 GHz, Coupling 20 dB, Frequency Sensitivity ±1 dB, Directivity 15 to 20 dB, Average Power 50 W. Tags: Module with Connectors. More details for DBDC2000370600C can be seen below.