Monoprice 1000FT Cat 6 Bulk Bare Copper Ethernet Network Cable STP, Solid, In-Wall Rated (CMG), 550MHz, 24AWG - Gray 1000-Feet Cat 6 Bulk Bare Copper Ethernet Network Cable STP Solid InWall Rated, CMG 550MHz 24AWG Cables are RoHS compliant UL listed and CMG rated for in-wall installation Shielding reduces the number of packet errors and improves network performance