RJ45 female-to-female field-installable coupler designed for standard D-type connectors in panel mounting. No soldering or installation tools required, making it easy to use. Reliable performance in harsh environments, including acidic, alkaline, and oxidizing conditions. Internal pins made of gold-plated copper for enhanced electrical conductivity. Full interference shielding ensures faster and more stable data transmission. The RJ45 D-type extension cable is an ideal solution for extending two network cables into a longer one, protecting device interfaces and extending equipment lifespan. It is designed to function reliably in various challenging environments, ensuring stable current transmission and optimal performance. Color: Black & Silver Material: Silicone+Metal+Plastic Package Contents: 6*Waterproof RJ45 Coupler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.