The DBDC2002000800C from Qotana is a Directional Coupler with Frequency 2 to 8 GHz, Coupling 19 to 21 dB, Frequency Sensitivity ±0.35 to 0.4 dB, Directivity 20 to 22 dB, Average Power 50 W. Tags: Module with Connectors. More details for DBDC2002000800C can be seen below.