The DBDC3000500600C from Qotana is a Directional Coupler with Frequency 500 MHz to 6 GHz, Coupling 29 to 31.5 dB, Frequency Sensitivity ±0.6 to 1 dB, Directivity 14 to 17 dB, Average Power 50 W. Tags: Module with Connectors. More details for DBDC3000500600C can be seen below.