Coaxial cable lines SYWV-75-9 (4P) double-shielded cable wire and cable digital signal line is a physical foaming coaxial cable products. Physical foam coaxial cable line is a semi-closed circuit television air-insulated coaxial cable, oxygen-free copper wire inner conductor, insulation made of polyethylene make tiny pores closed by mutual physical foaming. 4-layer shield structure. Name: SYWV-75-9 (4P) Brand: Shenzhen Xin cable knit: within 120n / 0.12mm; outside 120n / 0.12mm sheath: PVC insulation jacket Environmental Quality: Scope of quality green PVC insulation: cable TV, Choi boxes, satellite dish, set-top boxes. Product Details: Conductor: 99.99% using high purity oxygen-free copper, copper wire diameter of 1.02mm, which is characterized by non-directional, high purity, corrosion resistant, low-speed electrical impedance of the signal transmission quality! ! Foam: imported foam, smooth and delicate appearance, physical foaming degree meet national standards, excellent shielding effect! High purity oxygen-free copper / tinned copper: Our wire is the use of imported high-quality high-purity oxygen-free copper, tinned copper, ensuring excellent conductivity, low impedance, high-quality signal transmission. Copyright (Shenzhen Xin cable) please indicate the source