The CMX09C30 from RN2 Technologies is a Directional Coupler with Frequency 700 MHz to 1 GHz, Coupling 30.0 ± 1.50 dB, Coupling Variation ± 1.50 dB, Directivity 18 dB, Average Power 20 W. Tags: Surface Mount. More details for CMX09C30 can be seen below.