The UGREEN RJ45 Network Keystone Jack In Line Coupler is the ideal solution for extending the reach of your network cables without the need to replace existing short cables. Designed for efficiency and cost-effectiveness, this coupler allows you to snap two Ethernet patch cables together in seconds, ensuring your data continues to flow seamlessly across your home or office. Engineered for high-performance networking, the coupler supports speeds up to 10Gbps, making it fully compatible with Cat7 and Cat6 cables, while remaining backwards compatible with Cat5e networks. It meets Category 6 performance standards in compliance with TIA/EIA 568-C.2, ensuring professional-grade reliability for high-speed LAN environments. Build quality is a priority, featuring a flame-retardant ABS material shell for enhanced durability. Internally, the coupler utilizes pure copper-plated tentacles and gold-plated contacts to minimize connection drops and provide superior port protection against corrosion. For those operating in harsh electromagnetic environments, this coupler includes shielded jacks that provide essential thunder and lightning protection. This ensures a safer, more stable network connection by protecting your hardware from electrical interference and surges. Compact and practical, the device measures just 47mm in length and 27mm in width. Whether you are organizing a server rack or simply extending a cable to a workstation, the UGREEN RJ45 Coupler provides a secure, UL-listed connection that balances performance with long-term durability.