The Toknav tBase is a rugged base-station GNSS receiver built for local RTK correction and base-rover surveying where network RTK isn't available. It tracks GPS, GLONASS, BDS, Galileo, QZSS, SBAS and IRNSS signals across 1408 channels, achieving roughly 2.5mm static accuracy. It ships with 4G, Bluetooth and WiFi connectivity plus a 5W long-range radio, a 13800mAh battery rated for about 12 hours of field use, 32GB onboard storage, and an IP68-rated housing weighing about 1.5kg.