The Garmin GTM 60 HD Digital Traffic Receiver is a Traffic Message Channel (TMC) receiver module designed for use with Garmin GPS devices. It provides real-time traffic information, allowing you to avoid traffic congestion and find the fastest routes to your destination. The GTM 60 HD receives traffic data from HD Radio stations, providing more accurate and detailed information than traditional TMC receivers. With this module, you can receive alerts for accidents, road construction, and other traffic incidents, helping you to plan your journey more efficiently. The GTM 60 HD is compatible with a wide range of Garmin GPS devices, making it a versatile and useful addition to your navigation system.