Navisys GR-9029 cm-level accuracy RTK GNSS data logger (Bluetooth BLE V5.2, rechargeable battery, IPX7 waterproof, Includes Data Logging Apps for iOS and Android, Location Sharing Feature for Android)
Navisys GR-903 RTK GNSS Receiver ( RTK Base & Rover, L1/L2 Dual-Band, USB & Bluetooth Dual Interfaces, 1.4 cm accuracy, Android "SPPRTK" app with data logging and location sharing features)
