The R220 GPS Receiver is the latest addition to Hemisphere GPS’ precision product line. It is ideal for a number of applications including navigation and guidance, land and marine surveying, and machine control and monitoring. It boasts the latest dual frequency technology in the Eclipse board and features fast, reliable, long range RTK (Real Time Kinematic) performance.
Source: “Resources & Support.” Hemisphere GNSS. N.p., n.d. Web. 04 June 2017.