The following information is regarding the MSYV-75-7 cable from Tianjin:


Product Overview


MSYV-75-7 is a flame-retardant射频coaxial cable for coal mines, featuring a characteristic impedance of 75Ω. It is designed for signal transmission in underground mining video systems and offers flame-retardant and shielding properties. It should be used individually. Its compliance standards include GB/T14864-93 and MT386-1995, with technical specifications including an insulation resistance of not less than 5000MΩ·km at 20°C, and it passes a single vertical combustion test.


Price and Supplier
Tianjin Jinyuan Cable Co., Ltd.: Offering MSYV-75-5 radio frequency cable (similar models) with a deal price of approximately 2.5 yuan per meter.
Tianjin Cable Corporation's Rubber and Plastic Cable Factory: Supplying MSYV series mining coaxial cables, including models like MSYV-50-7, priced at approximately 6 yuan per meter.
Cangzhou Tian Lian Co., Ltd.: MSYV-75-9 mining radio frequency cable priced at 0.99 yuan per meter (note the specification differences).
Technical Specifications
Structure: Core conductor made of oxygen-free copper, insulated with polyethylene, and sheathed with flame-retardant poly. Double shielding design is used (aluminum foil + tin-plated copper braid).
Application Scenario: Primarily used for signal transmission in flame-retardant environments such as underground coal mine video surveillance and security systems.