Emlid Reach RS4 PRO All-band RTK GNSS receiver with dual cameras. Visual stakeout and remote point capture for faster and safer work.

Reach RS4 Pro. Discover the new way to survey with dual cameras

With two Full HD cameras; the RS4 Pro takes surveying and stakeout further than traditional RTK can.

Accelerate stakeout operations with intuitive AR guidance.

With the RS4 Pro; stakeout becomes a visual experience. Instead of relying solely on coordinates; your design is seamlessly overlaid onto the real-world environment—clearly guiding where each stake should be placed.

Dynamic Navigation

Auto bullseye View

Cut & fill Indicator

Quick Point Switch

AR guidance empowers crews to work more efficiently; even on complex construction sites and roadworks; by streamlining tasks and improving accuracy.

Measure What Others Can’t Reach — With the Emlid Reach RS4 Pro

Even when you can’t place the pole; you can still capture the point. The RS4 Pro’s dual cameras let you measure building facades; areas behind fences; across busy roads; and other hard-to-reach locations—quickly and safely.

Skip the total station setup and avoid hazardous zones. Save time and stay safe while measuring:

• Across water
• Behind fences
• Over traffic
• Above pits
• Past hedges
• Around machinery

The Reach RS4 supports tracking across all major satellite constellations and frequency bands; including the advanced L5 and L6 signals; which offer enhanced resistance to multipath effects and interference. With 672 tracking channels; it can monitor over 40 satellites simultaneously; delivering consistent performance and centimeter-level accuracy.

7mm + 1 ppm in RTK

L1/L2/L5/L6

GPS; GLONASS; Galileo; BeiDou; QZSS; NavIC

672 channels

Fix in less than 5 seconds