- 25 ft Female to Male Amphenol Cable- Designed for use with voice and low data applications with punch down blocks, patch panels, and distribution boxes- Can also be used as extension cables- 24 AWG unshielded twisted pair (UTP) Category 3 rated cable- Includes one 50-pin female telco connector (RJ21)- Includes one 50-pin male telco connector (RJ21)- RoHs Compliant