The FMCP1006 from Fairview Microwave is a Dual Directional Coupler with Coupling 50 dB, Coupling Variation ± 0.6 dB, Frequency 20 MHz to 1 GHz, Average Power 1 W, Insertion Loss 0.35 dB. Tags: Module with Connectors. More details for FMCP1006 can be seen below.