You are viewing 2 excellent condition refurbished Topcon GR-3 GNSS Base and Rover kit for construction, land surveying and machine control. Data collectors available on request, these units run well on Survey Pro, Carlson SurvPC, and Pocket 3 D etc. 2 Topcon GR-3 GPs Units 915+. GPS receiver design has taken a leap forward with the new GR-3.
It starts with 72 "universal" channels that support all current and planned satellite positioning signals. Then there's the micro-tuned, precision antenna capable of receiving all G3 positioning signals with Topcon's patented center-mount radio antenna for superior signal tracking and interference reduction. The GR-3 receiver incorporates a unique dual communication system, featuring both cellular and radio technology. Offering a 915 MHz Spread Spectrum internal Tx/Rx or Digital UHF radio, the GR-3 can serve roles as either an RTK base or rover system.
And by utilizing the optional internal GSM / GPRS / CDMA modem communication system via the easily accessible cellular SIM card slot, a user can extend their range far beyond radio capability or utilize both receivers as rover systems off a fixed base station or a network system. 915 MHz Spread Specturm radio technology is not approved for use in Europe or Asia.It is the World's First G3 (GPS, GLONASS, and Galileo) capable GNSS receiver, and a clear indication of Topcon's technology leadership in the satellite positioning industry! This item is in the category "Business & Industrial\Test, Measurement & Inspection\Levels & Surveying Equipment\Levels & Autolevels\Rotary Lasers". The seller is "allenbuildinstruments" and is located in this country: US.
This item can be shipped to United States.