Starlink is a satellite internet service that provides high-speed internet to users in rural and remote areas. The service uses a network of satellites in low Earth orbit to provide coverage. Each satellite has a footprint of about 1,000 square kilometers, which means that each router can cover an area of up to 1,000 square kilometers. However, the actual coverage will depend on factors such as the elevation of the router and the number of trees or other obstacles in the way.