When you open the maps app on your phone or track a package delivery, you rely on satellite signals. But have you ever wondered how those invisible signals actually reach your device? The secret lies in a small yet powerful component known as a GPS antenna.Get more news about GPS Antenna,you can vist our website! What is a GPS Antenna and How Does It Work? At its core, a GPS antenna is designed to receive radio frequency signals broadcasted by Global Positioning System satellites orbiting the Earth. These satellites sit thousands of miles up in space, sending very weak signals down to the ground.