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The eSurvey eSA3 is a compact smart antenna delivering centimeter-level high-precision positioning precision—compatible seamlessly with both Android and iOS devices. It provides direct differential corrections to most GIS applications, with dedicated software compatibility ensuring seamless connectivity as needed.
Contact Us NowFull Constellations and Multi-frequency
Ensure stable signal reception in complex environments with 1408 channels covering all major GNSS constellations and full frequencies
Centimeter-Level Positioning
Meet professional high-precision needs with centimeter-level accuracy by delivering 8mm+1ppm planar and 15mm+1ppm elevation precision
Support for B2b-PPP and E6-HAS Services
Elevate standalone positioning accuracy and adaptability by supporting B2b-PPP and E6-HAS services
Rugged and Durable
Withstand harsh field conditions featuring IP67 protection, -20℃~+65℃ operating temperature, and 1.6m drop resistance
Ideal for Most GIS Applications
Integrate seamlessly into most GIS workflows without separate adaptation by directly providing differential corrections to their applications
Device Network (4G) for Differential Data Acquisition
Acquire differential data directly by inserting a Nano SIM card to enable the device's 4G network


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