RJ45 Coupler Shielded Ethernet Cable Extender 1. Plug and Play, No Tools Required: Easily connects two RJ45 cables without additional tools; supports repeated plug and unplug operations. 2. Shielded Metal Housing for Reduced Interference: Designed with shielding to minimize electromagnetic interference (EMI) and enhance network stability. 3. Gold-Plated Contacts for Stable Signal Transmission: Corrosion-resistant gold-plated terminals ensure lossless data transmission and long-term reliability. 4. Durable Aluminum Alloy Shell: Provides wear resistance and shockproof performance, making it suitable for harsh environments. 5. Supports Gigabit High-Speed Transmission: Complies with TIAEIA 568-C.2 standards and supports up to 1Gbps1000Mbps transmission speed, backward compatible with Cat6, Cat5e, and Cat5 cables. 6. PoE Compatible: Works seamlessly with Power over Ethernet (PoE) devices, ideal for security systems, smart home networks, and enterprise applications. 7. Compact and Portable, Widely Applicable: Small and lightweight design, easy to carry, suitable for home, office, data centers, and structured cabling installations.