Cat6 UTP LSZH/PVC and F/UTP (also PE - External Graded, manufactured with Black Polyethylene Jacket to protect from extreme heat and moisture. Suitable for underground duct and overhead Catenary installations.) Data Cable, supports 100Base-TX. 1000Base-TX and 10Gigabit Ethernet over 100mtrs Easy pull 305Mtr box, low memory and reverse metre marking. Covered by ULTIMA 25 Year System Warranty.