The EHC700S2750C4P200B from ECHO Microwave is a Directional Coupler with Frequency 700 MHz to 2.75 GHz, Coupling 4 dB, Directivity 18 dB, Power 200 W, Average Power 200 W. Tags: Module with Connectors. More details for EHC700S2750C4P200B can be seen below.