The Andrew FSJ4-50B 1/2 inch 50 Ohm coax cable is superflexible and less prone to kinks because of its spiral copper corrugated outer conductor. The superflex cable features a 1.25 inch bending radius. This coaxial cable transmission line has a copper-clad aluminum center conductor. Maximum frequency capacity is 10.2 GHz.
The Andrew 1/2 inch superflexible coax cable is available in bulk and is priced per foot.