Portable unit kicks in when GPS fades The high-tech dead-reckoning unit NaviSeer, from Seer Technology, supports GPS navigation. Coordinates accurate to within less than a yard, according to Seer.

4.【GPS NAVIGATION & MULTI-COLORED BUTTON】 GPS BXLIYER card preloaded on a free standard map of 8 GB. You will find it easier to go to a new or complex place, travel has never been so convenient!

Customers can start with sub-meter positioning accuracy and upgrade the receiver through activations and subscriptions to add functionality and improve performance capability to centimeter-level ...

GPS is more than the blinking dot on a moving map. It will steer headlamps, improve self-driving, wring more miles out of a hybrid's battery. Accuracy will improve from several car lengths to ...

Compatible with active or passive antennas, the Copernicus GPS receiver can be used in next-generation portable handheld, battery-powered applications. Designed for the demands of automated ...

Dear RP, You’re right that GPS is usually more accurate than a speedometer. By law, manufacturers have to make sure that cars’ speedometers don’t underread, and as a result, most of them set ...

This compares favorably to standard GPS that has a resolution of 4.0 m+." By summer, Konieczny hopes that the system will be fully operational and that accuracy will be down to under 1.5m.