The GR-3 is the next generation RTK GPS system from Topcon. This exciting new system incorporates G3 tracking technology to track all three satellite positioning systems as well as new design features not found in any other system.
* G3 Satellite Tracking (GPS,Glonass,Galileo)
* Advanced Rugged System Design
* Bluetooth Wireless Technology
* 72 Universal Tracking Channels
* Optional Internal GSM/GPRS Cellular Communication