PointPerfect is a high-precision GNSS correction service provided by u-blox. It uses real-time kinematic (RTK) technology and precise point positioning (PPP) to achieve centimeter-level accuracy in positioning data. The service offers correction data via an L-Band satellite or IP internet connection and can be used for a variety of applications such as autonomous vehicles, surveying, mapping, agriculture, and construction. The service is also compatible with a wide range of u-blox GNSS receivers and third-party receivers.