Complete your work quickly and accurately with the R220™ GPS receiver. Built on Hemisphere GPS' Eclipse™ platform, it boasts the latest dual-frequency patented technology. It offers 39-channel tracking with extremely quick start up and reacquisition times. The R220 GPS Receiver utilizes RTK (Real Time Kinematic) for fast, reliable, long-range centimeter-level performance. In addition to RTK, it tracks GPS, SBAS and L-Band (OmniSTAR® HP/XP).