The Andrew FSJ1RK-50B 1/4 in Superflex cable has a black fire retardant jacket. This 50 Ohm coaxial cable is superflexible and less prone to kinks because of a spiral corrugated outer conductor. The coaxial cable transmission line has a copper-clad aluminum center conductor. Maximum frequency is 18 GHz.
The Andrew 1/4 in Superflex coaxial cable is available in bulk and is cut per foot.