The DBDC1020003000A from Qotana is a Directional Coupler with Frequency 20 to 30 GHz, Coupling 9 to 11 dB, Frequency Sensitivity ±0.4 to 0.6 dB, Directivity 12 to 15 dB, Average Power 30 W. Tags: Module with Connectors. More details for DBDC1020003000A can be seen below.