The Garmin GTM 60 HD Digital Traffic Receiver is a GPS Traffic Message Channel (TMC) receiver module that provides real-time traffic information to compatible Garmin GPS devices. It receives traffic data from HD Radio stations and delivers it to your GPS device, allowing you to avoid traffic congestion and find the fastest routes. The GTM 60 HD features a built-in antenna for easy installation and provides accurate and reliable traffic updates. With this receiver module, you can stay informed about traffic conditions and make smarter driving decisions.