The FMCP1016 from Fairview Microwave is a Dual Directional Coupler with Coupling 40 dB, Coupling Variation ± 0.5 dB, Frequency 800 MHz to 4.2 GHz, Average Power 200 W, Insertion Loss 0.3 dB. Tags: Module with Connectors. More details for FMCP1016 can be seen below.