The Topcon GPT-900 Series total stations take the next step in the evolution of servo motor technology.  Combining the latest servo motor and reflectorless pulse laser technology to provide the ultimate in surveying functionality and productivity. The 900 series can be used in Auto-Tracking mode with one person at the gun. The rod person is automatically locked on by the gun. The instrument person simply hooks the data collector to the 900 series and collects the shots as the rod person walks the site. In fully robotic mode the system can be operated quickly and easily by one person. The advantages of this system are numerous. One man operation eliminates the instrument person and allows for fast and accurate data collection and stakeout.   

GPT-901A - 1" accuracy 
GPT-903A - 3" accuracy
GPT-905A - 5" accuracy

Product Brochure & Specifications GPT-9000 (pdf)

RC-3 Fast Trak System - Wireless operation ensures fast, simple aquisition of the GPT-9000 tracking beam. When jobsite obstacles disrupt the beam, FastTrak instantly re-aquires lock at the press of a button. Also offers optical communication (radioless) with the GPT-9000 series to eliminate radio problems.

FC-200 - this Windows CE data collector offer powerful functions and easy to use menu to store and stakeout your information quickly and accurately. The built in radio will interface seamlessly with the 9000 or 900 series providing long range robotic communication. With easy to use TopSurv software it's a winning combination.