4 pairs UTP cat 5e lan cable 1.ISO9001:2000, CE,UL,FLUKE 2. ... 's the difference between UTP and STP? Are these cables shielded?Answer: UTP stands for Unshielded Twisted Pairs.STP stands ... for Shielded Twisted Pairs. ModelCat5e Lan CableConductor Dimension0.45mm/0.48mm/0.50mm/0.51mm/0 ... best for you. We are in the field of lan cable ,such as cat5,cat6,speaker cable,HDMI cable, ...