The FMCP1015 from Fairview Microwave is a Dual Directional Coupler with Coupling 40 dB, Coupling Variation ± 0.5 dB, Frequency 800 MHz to 2.5 GHz, Average Power 500 W, Insertion Loss 0.3 dB. Tags: Module with Connectors. More details for FMCP1015 can be seen below.