Spectra Precision introduced the new ProFlex 800, a GNSS solution with Z-Blade GNSS-centric technology. The ProFlex 800 delivers fast and reliable RTK positioning, even in environments where GNSS signals may be difficult to acquire, Spectra Precision said. Rugged and IP67 rated, the ProFlex 800 is built to withstand harsh operating conditions for a variety of positioning applications.