Survey-grade positioning. Without the network fees.
Emlid Reach RTK & PPK GNSS receivers for drone survey, GIS and construction set-out — centimetre accuracy from base stations and rovers, supplied and supported by heliguy’s in-house survey team.
Emlid · Reach RS4 ProRTK accuracy
channels
network fees
post-processed
One ecosystem, four ways in.
From the pocket-sized RX2 rover to the flagship RS4 Pro — pick by how you work, then talk to us to configure base, rover and radios. All Emlid, all supported end to end by heliguy.
Fast, ultra-light RTK. Ultra-light all-band RTK rover with IMU tilt compensation — fast centimetre precision for GIS and survey.
Straight to the right receiver.
The complete Emlid Reach line-up — supplied and supported in the UK by our in-house survey team. Scroll the range, then enquire for a configured quote.
Emlid Reach RS4 Pro
All-band RTK with dual integrated cameras for AR stakeout, fast tilt compensation and rugged IP68 build.
Emlid Reach RS4
Advanced all-band RTK receiver with fast tilt compensation, IP68 durability and seamless iOS pairing.
Emlid Reach RS3 RTK Receiver
Multi-band GNSS with LTE modem, dual-band radio and IMU tilt compensation — a proven all-round workhorse.
Emlid Reach RX2
Ultra-light all-band RTK rover with IMU tilt compensation — fast centimetre precision for GIS and survey.
Emlid Reach RX Rover - Apple MFI Certified
Pocket-sized, Apple MFi-certified GNSS rover delivering centimetre surveying accuracy on the move.
Emlid Base and Rover GNSS Bundle
RS4 Pro + RS4 plus a range of accessories — a complete base-and-rover surveying solution in one kit.
Everything to complete the setup.
Poles, extensions, mounts, adapters, bumpers and cables — the field accessories that turn a receiver into a working base-and-rover kit, all supplied and supported by heliguy.
● 10 accessories & setup items stocked
Survey-grade accuracy, made accessible.
Multi-band RTK and PPK positioning at a price that frees you from network correction subscriptions — own your base, own your accuracy.
RTK, real-time
Base feeds corrections to your rover or RTK drone over LoRa radio or NTRIP — centimetre accuracy without GCPs.
PPK, post-processed
Emlid Flow logs base observations; Emlid Studio processes them against onboard GNSS logs — no real-time link needed.
No network fees
A Reach base plus RTK-capable drone hits 1–2 cm horizontal — no NTRIP subscription or survey-control network.
RS4 Pro vs RS4 vs RS3.
All-band RTK with AR stakeout and image-based measurement — for complex set-out and inaccessible points.
Everyday survey and construction — fast tilt, strong radio, rugged IP68, no cameras.
Trusted all-round base/rover with standard tilt and onboard LTE — the proven workhorse.
Field to office.
Run corrections in real time, or log and post-process — Emlid supports both, and works with every major RTK-capable survey drone.
Base streams RTCM3 over LoRa radio or NTRIP; the drone or rover locks to centimetre accuracy in under a minute.
Emlid Flow logs base observations; Emlid Studio processes them against onboard GNSS logs — no field link needed.
Compatible with M350 RTK, M300 RTK, Matrice 4T/E and Mavic 3 Enterprise — plus free Emlid Studio for DJI PPK.
Centimetre accuracy, no subscription.
Emlid Reach receivers deliver survey-grade positioning you can defend to a client — from your own base station.
Quick answers.
Kit is the start. Support is the difference.
Talk to the geospatial team
Real surveyors who’ll match the right Emlid setup to your drone platform and accuracy needs, then stay with you through setup, training and PPK processing.
Get a quote →See the Emlid software suite
Emlid Flow, Flow 360, Studio and Caster — the tools that connect field capture to office deliverables, RTK and PPK.
Explore the workflow →