The RTK Express from SparkFun is your one stop shop for high precision geolocation and surveying needs. For basic users, it’s incredibly easy to get up and running and for advanced users, the RTK Express is a flexible and powerful tool.

The RTK Facet L-Band from SparkFun is our most advanced GNSS receiver to date. For basic users, it’s incredibly easy to get up and running and for advanced users, the RTK Facet L-Band is a flexible and powerful tool.