The DC1722J5005AHF from TTM Technologies is a Directional Coupler with Frequency 1.7 to 2.2 GHz, Coupling 4.5 to 5.6 dB, Frequency Sensitivity ±0.02 to 0.13 dB, Directivity 17 to 24.1 dB, Power 5 W. Tags: Surface Mount. More details for DC1722J5005AHF can be seen below.