Sparkfun Electronics SparkFun RTK Express

The SparkFun RTK Express GPS-18442 is an easy-to-use GNSS receiver for centimeter-level positioning. Perfect for surveying, logging, and all types of post-processing, this preprogrammed device can also be used for autonomous driving, navigation, asset tracking, and any other application where there is a clear view of the sky. The RTK Express can also be used as a base station.