Emlid Reach RS4
IP68 multi-band RTK GNSS built for reliable, efficient fieldwork. Reach RS4 delivers centimetre-level accuracy with fast tilt compensation and rock-solid connectivity, so crews can move faster on real sites.
Key features
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All-band, all-constellation: Tracks L1/L2/L5/L6 across major GNSS systems for stable accuracy.
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Fast tilt compensation: Next-gen IMU with 5× quicker initialisation to keep you moving between shots.
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Rugged & ready: IP68 magnesium-alloy body stands up to dust, rain and mud.
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Flexible comms: LTE, Wi-Fi, Bluetooth, and multi-band radio for base/rover and network workflows.
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Smooth software workflow: Works seamlessly with Emlid Flow / Flow 360 on iOS & Android.
Upgrade path
Need vision tools? Upgrade to Reach RS4 Pro for AR stakeout and image-based measurement to capture hard-to-reach points even faster.
OR3D GEO support
We use Emlid hardware in our own service work and can help integrate RS4 into your workflows—from field setup and coordinate systems to data processing and export.
Pre-order Reach RS4 today to reserve units from the first shipment.