The RMCO10.500-8000Sf from Response Microwave Inc is a Directional Coupler with Frequency 500 MHz to 8 GHz, Coupling 10 +/- 0.5 dB, Coupling Variation 0.5 dB, Directivity 12 dB, Average Power 50 W. Tags: Module with Connectors. More details for RMCO10.500-8000Sf can be seen below.