The DBDC2000500200C from Qotana is a Directional Coupler with Frequency 500 MHz to 2 GHz, Coupling 19 to 21 dB, Frequency Sensitivity ±0.55 to 0.75 dB, Directivity 23 to 25 dB, Average Power 50 W. Tags: Module with Connectors. More details for DBDC2000500200C can be seen below.