The DC0710J5005AHF from TTM Technologies is a Directional Coupler with Frequency 700 MHz to 1 GHz, Coupling 4.5 to 5.5 dB, Frequency Sensitivity ±0.01 to 0.30 dB, Directivity 19 to 23 dB, Power 2 W. Tags: Surface Mount. More details for DC0710J5005AHF can be seen below.