The Magellan Traffic Link Power Cable is a GPS Traffic Message Channel (TMC) receiver module designed for Magellan GPS devices. It receives live traffic updates from FM radio stations and delivers them to your GPS device, allowing you to avoid traffic congestion and find the fastest routes. The Traffic Link Power Cable is easy to install and provides accurate traffic information. Additionally, it serves as a power cable for your Magellan device, ensuring that you have power during your journeys. With this receiver module, you can stay informed about traffic conditions and reach your destination more efficiently.