Our RJ11 6P4C inline telephone coupler is designed to connect and extend two existing telephone lines with RJ11 crystal heads, providing stable and accurate signal transmission in a compact and durable form. Built with oxygen-free copper conductors, high-quality PVC materials, and polyethylene internal insulation, this coupler ensures low signal attenuation and strong anti-interference performance for reliable use across home, office, and professional environments. Key Features Connects and extends two RJ11 telephone cables with 6P4C or 6P2C connectors Compact and durable inline design for efficient space use Oxygen-free copper conductors for accurate signal transmission High-quality PVC construction with polyethylene internal insulation Strong anti-interference capability with low signal attenuation Suitable for home, office, education, business, and entertainment use What’s Included 2 x RJ11 6P4C inline coupler adapters
