Features

■   Dual circuit protection

      The product has a simple and stylish appearance, high cost-effectiveness, and a green and environmentally friendly design concept. It is easy to install and can achieve dual circuit protection for communication channels for underground extension users. Each extension user has two communication channels for the main and auxiliary shafts. In case of any open or short circuit fault in either line, the KTJ135 host can ensure the normal operation of extension communication and report the corresponding line fault.

■   Long distance extension

      Extension users can achieve long-distance extension, with a maximum transmission distance of over 10Km, making it more convenient for both in and out of the well, administrative and scheduling networking.

■   Structural features

      Made of anti-static reinforced polyester, waterproof, dustproof, anti-corrosion, with a protection level of IP54, suitable for harsh environments such as coal mines, power plants, steel plants, tunnels, ports, etc.

      The keyboard is fully sealed with luminous touch buttons, with bell flow call light display, and emergency call, hang up, and replay keys.

      The seat and hanging can be used for both pressing and installation, and there are no movable parts on the phone. It is sturdy, durable, and has a long service life, effectively solving the disadvantages of frequent mechanical failures and easy damage.