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Key Features:
 
High-accuracy, even under canopy
The Reach RS4 can track all available satellite constellations and frequencies, including the lower L5 and L6 bands, which are more resistant to multipath and interference.
 
Next-gen tilt compensation
The Reach RS4 delivers accurate results even at high tilt angles. The compensation mechanism activates with just a few moves and remains stable throughout the survey, saving time and avoiding the need for recalibration.
 
Built to perform in extreme conditions
The Reach RS4 operates in temperatures from -40°C to +65°C. Its performance remains excellent in both freezing cold and scorching heat.
 
Magnesium alloy body
The RS4’s magnesium alloy body is as strong as it is lightweight. This material is often used for aerospace equipment and high-end electronics. It strikes the perfect balance of durability and lightness, making it ideal for use in tough conditions while remaining easy to handle.
 
16 hours on one charge
The RS4 offers an impressive battery life of up to 16 hours on a single charge. Use the USB-C for recharging or use a power bank for even greater flexibility. Designed to keep working as hard as you do, without interruption.
 
Waterproof
Thanks to its IP68 rating, the RS4 is fully dustproof and waterproof. Whether it's raining, snowing or a dusty construction site, the Reach RS4 will keep working.

Emlid Reach RS4

₮11,591,135.00Price
Reach out to our team to confirm your pre-order

The Reach RS4 is a high-precision, all-band GNSS RTK receiver built for professional surveying and mapping operations. With full-frequency satellite support, IMU-based tilt compensation, rugged construction, and seamless connectivity, it’s engineered to deliver centimetre-level accuracy even in challenging conditions.

Why Choose Reach RS4?

Precision & Performance You Can Trust

  • RTK accuracy of ~ 7 mm + 1 ppm horizontal and ~ 14 mm + 1 ppm vertical. 

  • Supports 672 channels, tracking L1/L2/L5/L6 across GPS, GLONASS, Galileo, BeiDou, QZSS and NavIC. 

  • IMU-based tilt compensation: you can collect accurate data with the pole tilted. Specification: RTK + 2 mm + 0.3 mm/° tilt. 

Built for the Field

  • Rugged magnesium-alloy body, IP68 rated: dustproof and waterproof even in harsh environments. 

  • Temperature range from -40 °C up to +65 °C, designed to operate in severe conditions. 

  • Up to ~16 hours of operation as a rover in RTK mode with tilt compensation. 

  • Quick-release mount ensures stable connection to the survey pole and minimal wobble for tilt accuracy.

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