The 7210.31.0003 from HUBER+SUHNER is a Directional Coupler with Frequency 0.694 to 2.7 GHz, Coupling 10 dB, Coupling Variation +/- 1 dB, Directivity 20 dB, Average Power 200 W. Tags: Module with Connectors. More details for 7210.31.0003 can be seen below.