The RMCO10.2500Sf from Response Microwave Inc is a Directional Coupler with Frequency 800 MHz to 2.5 GHz, Coupling 10 +/- 1.2 dB, Coupling Variation 1.2 dB, Directivity 18 dB, Average Power 50 W. Tags: Module with Connectors. More details for RMCO10.2500Sf can be seen below.