The DBDC1602001800A from Qotana is a Directional Coupler with Frequency 2 to 18 GHz, Coupling 15 to 17 dB, Frequency Sensitivity ±0.5 to 0.7 dB, Directivity 12 to 16 dB, Average Power 50 W. Tags: Module with Connectors. More details for DBDC1602001800A can be seen below.