The RMCO30.2500Nf from Response Microwave Inc is a Directional Coupler with Frequency 800 MHz to 2.5 GHz, Coupling 30 +/- 1.0 dB, Coupling Variation 1 dB, Directivity 18 dB, Average Power 200 W. Tags: Module with Connectors. More details for RMCO30.2500Nf can be seen below.