The RFDDC9M9G35 from RF-Lambda is a Dual Directional Coupler with Coupling 34 to 36 dB, Frequency 0.9 to 9 GHz, Peak Power 1 W, Average Power 250 W, Insertion Loss 0.25 to 0.5 dB. Tags: Module with Connectors. More details for RFDDC9M9G35 can be seen below.