Why is the Arrow Gold the world's most advanced GNSS receiver? The Arrow Gold is the world's first high-accuracy iOS, Android, and Windows Bluetooth GNSS receiver that also implements all four global constellations (GPS, GLONASS, Galileo, BeiDou), the three frequencies (L1, L2, L5), and also satellite-based RTK augmentation. The Arrow Gold works with all apps that run on iOS, Android, and Windows devices. It also supports all planned global satellite constellations as well as all planned signals, giving it an awesome return on investment that will serve you well into the next decade and beyond. Discover the Arrow Gold today.