Sokkia Corp. has launched the GRX1 GNSS system with the SHC250 data collector and a new controller and post-processing software. The new GRX1 GNSS receiver has an integrated antenna, digital UHF radio, GSM module, Bluetooth module and detachable battery in a compact, rugged, magnesium-alloy body. The new SHC250 data collector incorporates the latest Windows Mobile 6.5 OS, built-in Bluetooth modem and the new Spectrum Survey Field software that fully controls the GRX1 receiver. The GRX1 GNSS receiver features a fully upgradeable, dual-frequency, 72-channel GPS+GLONASS receiver, triple wireless technologies, voice messages notify the users when RTK is fixed or lost, and advanced data storage capability via SD and SDHC memory cards.