The X3C25F1-05S from TTM Technologies is a Directional Coupler with Frequency 2.2 to 2.8 GHz, Coupling 4.9 dB, Coupling Variation ±0.20 dB, Directivity 20 to 23 dB, Average Power 25 W. Tags: Surface Mount. More details for X3C25F1-05S can be seen below.