Patch cable Cat.6a, U/UTP, Slim The Slim RJ45 Cat.6a U/UTP patch cable combines high transmission performance with a space-saving cable design. The reduced diameter supports clean cable routing in densely populated network cabinets. The halogen-free LSZH jacket is flame-retardant, low-smoke and contributes to greater safety indoors. The pure copper inner conductor ensures stable signal transmission up to 500 MHz.