The DBDC3000500200A from Qotana is a Directional Coupler with Frequency 500 MHz to 2 GHz, Coupling 29 to 31 dB, Frequency Sensitivity ±0.5 to 0.7 dB, Directivity 20 to 24 dB, Average Power 50 W. Tags: Module with Connectors. More details for DBDC3000500200A can be seen below.