the feature of this railway signal cable:

Long term operation temperature of the Railway Signal Cable: no more than 70 centigrade; Environmental temperature of the Railway Signal Cable: -40°C to +60°CInstallation temperature of the Railway Signal Cable: not lower than -10°C; Bend radius when installation:Not smaller than 10 times of cable outer diameter for the non-armored cable;Not smaller than 15of the Railway Signal Cable times of cable outer diameter for the armored cable;Ideal shield constant of Al-PE composite sheath cable is not more than 0.8;Ideal shield constant of Al sheath cable is not more than 0.2;Other type of cable of Fire resistant type, Termite resistant type; Cold endurable
type, Thunder resistant type etc.