Patent ID: 8624116

Claim:
A cable having a central axis, the cable comprising: a plurality of twisted pairs of conductors; and a jacket defining a central passage in which the plurality of twisted pairs of conductors is located, the central passage including air, the air in the central passage occupying a volume between the plurality of twisted pairs of conductors, the jacket including legs that project inwardly toward the central axis of the cable, the jacket defining channels located between the legs, the channels including air, the air in the channels being in fluid communication with the air in the central passage that occupies the volume between the plurality of twisted pairs of conductors, wherein each of the channels is defined by at least one curved surface, the channels having lengths that run along a length of the jacket, and the number of channels being greater than the number of twisted pairs of conductors, wherein the legs are attached to the jacket at outer ends and have free, unattached inner ends and the channels each have an open end that faces inwardly toward the central axis of the cable and a closed end, wherein at least a portion of the closed end defines at least one rounded corner adjoining two intersecting sides of the channel, wherein the at least one rounded corner defines the at least one curved surface of the channel, wherein each of the legs also defines at least one sharp corner.