The DCE25S-0.8-2.7 from ESJ Technology is a Directional Coupler with Frequency 0.8 to 2.7 GHz, Coupling 25 dB, Coupling Variation ±1.5 dB, Directivity 22 dB, Average Power 80 W. Tags: Module with Connectors. More details for DCE25S-0.8-2.7 can be seen below.