Most highway, railway and tunnel located at remote area with a bad environment. Optical fiber cable has alarm function at each point. The alarm temperature does not influenced by environment and the usage of time,it especially has reliable superiority in the humidity and dusty environments.

  Subway is a crowded and enclosed environment, once fire occurs, the consequences would be unimaginable. Weitan Technolongy’s products monitor the cable in 24 hours in case of the fire！

  The optical fiber cable is fixed at the top of the tunnel or installed at the cable tray and equipment room. These are typical applications on highway, railway and tunnel. The optical fiber cable can be laid in a straight line or circuitous.