The dBDD4002900330C from Qotana is a Dual Directional Coupler with Coupling 40 dB, Frequency 2.9 to 3.3 GHz, Average Power 300 W, Insertion Loss 0.4 dB, Directivity 15 dB. Tags: Module with Connectors. More details for dBDD4002900330C can be seen below.