The DC1722J5015AHF from TTM Technologies is a Directional Coupler with Frequency 1.7 to 2.2 GHz, Coupling 14.5 to 16 dB, Frequency Sensitivity ±0.01 to 0.15 dB, Directivity 15 to 20.6 dB, Power 2 W. Tags: Surface Mount. More details for DC1722J5015AHF can be seen below.