It includes 4 pairs of unshielded twisted pair cables with Aluminium foil wrapped all-around individual pairs and an overall Aluminium foil around the cables for external sounds reduction and lowered EMI. It has LSZH https://marviniqia943973.bloguetechno.com/the-single-best-strategy-to-use-for-extell-dubai-cables-network-cable-patch-network-hub-64545665