The affordable, versatile RTK rover.

The company that brought you the first integrated GPS receiver now brings you the first fully integrated handheld dual-frequency GNSS receiver and field controller!

Designed primarily as a GPS network rover receiver, the GRS-1 provides a small, lightweight rover and a price to fit any budget. The new receiver has DGPS capability with internal L1 antenna for GIS and navigation, add the PGA-1 external antenna and connect to your local GNSS network via the internal modem, and instantly move to dual frequency, dual constellation GNSS centimeter RTK accuracy. The GRS-1 can also be used as a static post processed receiver system.

With the GRS-1 network rover, no additional modem or equipment is needed . . . it's all built in. The user can access a RTK network for sub meter to sub foot mapping. By attaching an easy-to-connect external antenna, centimeter accuracy is instantly achieved.