The New C2G RJ45 CAT 5E 03677 Coupler is a high-quality networking cable adapter designed for joining two RJ-45 cables together inside a wall plate or outside with its clip. With a female connector on both sides, this coupler allows for easy connection and extension of Ethernet cables without the need for additional wiring. The durable construction and reliable performance make it a great addition to any networking setup, ensuring a secure and efficient connection for your devices.