The DBDD3000500600A from Qotana is a Dual Directional Coupler with Coupling 29 to 31.5 dB, Frequency 500 MHz to 6 GHz, Peak Power 1 kW, Average Power 50 W, Insertion Loss 0.6 to 0.9 dB. Tags: Module with Connectors. More details for DBDD3000500600A can be seen below.