The DC1722J5010AHF from TTM Technologies is a Directional Coupler with Frequency 1.7 to 2.2 GHz, Coupling 9.8 to 11.4 dB, Frequency Sensitivity ±0.01 to 0.25 dB, Directivity 13.1 to 23.2 dB, Power 1.3 to 2 W. Tags: Surface Mount. More details for DC1722J5010AHF can be seen below.