TDS handhelds are rugged PDAs, with Windows Mobile operating system. You can use them with a variety of field software, and different position accuracies.

TDS Recon 400X for graphical data collection and set out

TDS Recon Nomad with built-in GPS

TDS Recon Nomad Accessories

Waiting for new Nomad models.

Johnny Appleseed Home

Catalog and Price List

Differential GPS

Handheld GPS Showcase

Digital cameras link software for GIS