The R1 pocket-sized global navigation satellite system (GNSS) receiver from Trimble provides submeter precision to any Bluetooth-connected mobile device, including smartphones, tablets and a Trimble hand-held computer. The receiver supports multiple GNSS constellations (GPS, GLONASS, Galileo, QZSS, BeiDou) and can utilize satellite-based augmentation services (SBAS), Trimble ViewPoint RTX or virtual reference station (VRS) correction sources. 800/234-3458; www.trimble.com.
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