The MC0727-30 from Fairview Microwave is a Directional Coupler with Frequency 700 MHz to 2.7 GHz, Coupling 30 dB, Coupling Variation ±1 dB, Frequency Sensitivity 0.7 dB, Directivity 20 dB. Tags: Module with Connectors. More details for MC0727-30 can be seen below.