The DC0710J5020AHF from TTM Technologies is a Directional Coupler with Frequency 700 MHz to 1 GHz, Coupling 18.8 to 21 dB, Frequency Sensitivity ±0.03 to 0.4 dB, Directivity 14.1 to 25.4 dB, Power 2 W. Tags: Surface Mount. More details for DC0710J5020AHF can be seen below.