Which three of these are characteristics of UTP cable？（）

• A、The wires in each pair are wrapped around each other
• B、An insulating material covers each of the individual copper wires in it
• C、It comes in eight-pair wire bindles
• D、EMI and RFI cause only limited degradation to signals running over it
• E、It comes in seven categories
• F、IT has an external diameter of approximately 0 28 inches