The DC9700M5400B10C50PS-01 from Dyne Tech is a Directional Coupler with Frequency 7 to 12.4 GHz, Coupling 10 dB, Coupling Variation ±1 dB, Directivity 14 dB, Average Power 50 W. Tags: Module with Connectors. More details for DC9700M5400B10C50PS-01 can be seen below.