copper clad aluminum cca wire for signal transmission 1.More than 5years' ecperience ... 15~3.00mm, 500T/Month.copper clad aluminum cca wire for signal transmission1) Diameter: 0.15 - 3.00mm3) ... into bare wire , and it is the best material for coaxial cable, computer cable,telephone cable and shielding cable ... strength: annealed , hard copper clad aluminum cca wire for high-frequency signal transmission