Standard RS485 cable superior product performance range of applications, can be applied to complex industrial automation and building automation control network communication network communications and other occasions. Product Features signal stability, anti-electromagnetic interference, transmission distance up to 800 meters, the characteristic impedance 120 ohms. Highly flexible, abrasion resistance, shock resistance, oil resistance, bending, UV cable construction standards: American Belden Conductor: 99.9999% oxygen-free fine annealed tinned copper fine twisted Insulation: imported special PE material filling: high-grade polyester shield: annealed aluminum foil coated with 99.9999% oxygen-free fine tinned copper wire braid diversion line: Stranded 99.9999% oxygen-free annealed tinned copper superfine Jacket: Mixed PVC Technical parameters Temperature range: -20 ℃ ~ +70 ℃ bending Radius: 5 × cable diameter (fixed) Operating voltage: 300/300V, 300/500V