The DBDC2000500700A from Qotana is a Directional Coupler with Frequency 500 MHz to 7 GHz, Coupling 19 to 21 dB, Frequency Sensitivity ±0.7 to 1 dB, Directivity 18 to 21 dB, Average Power 50 W. Tags: Module with Connectors. More details for DBDC2000500700A can be seen below.