Features: Premium RJ12 to SDL 4P Telephone Cord ensures stable signals transmission with quality copper conductors and antiinterference shielding, compatible for machines, PBX systems, and security devices. Featuring durability RJ12 (6P6C) and SDL 4P connectors, this industrial grade telephone cord supports secure plug and play installation without tools while maintaining clear sound for voice/data communication. Designed for technicians, factory engineers, and security systems installers requiring reliability connectivity solution in industrial or office environments. Optimize equipment performances in machining centers, telephone switchboard rooms, surveillances control panels, or data transfer hubs with this heavy duty networking cable. Engineered with abrasion resistant PVC casing and gold plated contacts, this multilength cable (1m/1.5m/2m) resists electromagnetic interferences for uninterrupted signals flows across industrial machinery and communication systems. Specifications: Component: PVC, copper, ABS Length: Approx.1m/39.37inch, 1.5m/59.06inch, 2m/78.74inch Color: Khaki Interfaces: RJ12(6P6C)/SDL 4P male to SDL 4P male 6Option Type; Applicable scenario:machine tools,Office correspondence,Security systems Package Includes: 1pc RJ12 To SDL 4P Telephone Extension Cable note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.