The dBDD5002990301B from Qotana is a Dual Directional Coupler with Coupling 50 dB, Frequency 2.99 to 3.01 GHz, Average Power 100 W, Insertion Loss 0.2 dB, Directivity 15 dB. Tags: Module with Connectors. More details for dBDD5002990301B can be seen below.