REACH - Model RS3 -RTK GNSS Receiver With Tilt Compensation
RTK GNSS receiver with tilt compensation Survey grade precision, even in hard-to-reach spots. Multi-band base and rover, IMU tilt compensation, LTE modem, Dual-band radio.
Connect up to 10 rovers to your base station via the internet or set up your own NTRIP network with Emlid Caster.
Learn more about Emlid Caster here.
- Available for free and works worldwide
- Works with Reach and other receivers with NTRIP support
- RTCM3 and other correction formats support
- Up to 5 bases and 10 rovers at the same time
The IMU-based tilt compensation in Reach RS3 enables you to make measurements with up to 60 degrees of tilt while still staying within 20 mm of accuracy.
Reach RS3 continuously measures and corrects tilt in real-time to keep you on target.

Calibration-free
We calibrate the inertial measurement unit in each device individually at the factory, so you can get your Reach RS3 up and running right out of the box.
Immune to magnetic disturbances
Unaffected by magnetic fields, RS3’s IMU sensors provide robust tilt compensation even when working close to metal structures.
Quick initialization
Tilt initialization takes about 20 meters of walking or 10-20 seconds of tilting. Usually ready on the way from the car.
Reach RS3 gets a centimeter-accurate solution in about 5 seconds. It maintains robust performance even when the sky view is partially obstructed, or the receiver itself is tilted.
GPS/QZSS, GLONASS, BeiDou, and Galileo
L1C/A, L2C, L1OF, L2OF,B1I, B2I, E1B/C, E5b
- RINEX logging and PPP support
- Up to 22 hours on 1 charge
- Built-in LTE modem
Base and Rover
Work in RTK with VRS or a single baseline CORS network. You
can also connect another GNSS receiver as an NTRIP base using Emlid NTRIP Caster.
Any receiver with RTCM3 support
Base and Rover
Perfect for areas with no internet coverage for NTRIP. LoRa is used when connecting Emlid receivers over the radio.
Compatibility
All Emlid receivers with built-in radio
UHF 450 MHz
Rover
An option to mix and match RTK receivers within your fleet. You can configure your Reach RS3 to receive corrections from an existing base*.
You can also use a high-power external radio on your Reach base and connect with the UHF radio receiver in Reach RS3.
Compatibility
Bases with radios that transmit TRIMTALK 450S**
Emlid Flow
Emlid Flow efficiently manages all field-related tasks, including receiver configuration, RINEX logging, data collection, and stakeout.
The basic features are available for free to all users. Upgrade your Emlid Flow and Flow 360 with a single subscription.
- Tilt Compensation
- Localization
- Coding
- Data collection and stakeout
- Base shift
- Base and rover setup
- Background maps
- Logging
- CSV, DXF, SHP export and import
- Sync up to 3 devices
You can access your survey data via the cloud-based Emlid Flow 360. It allows you to prepare, manage, and export your projects from a browser.
The basic features are available for free to all users. Upgrade your Emlid Flow and Flow 360 with a single subscription.
- Add WMS/WMTS layers
- Satellite map
- Create custom survey codes libraries
- Export and import of survey data
- Project management and sync
Our free post-processing software for macOS and Windows.
Learn more about Emlid Studio here.
- Kinematic processing
- Static processing
- RTK Drone data processing
- Raw data analysis
- Stop & Go with Emlid Flow
126 x 126 x 142 mm 950 g
RS3 is waterproof up to a one meter depth. Silicone plugs completely seal and protect all connectors from water and dust.
The Reach RS3 Li-Ion battery handles high and low temperatures well and over 2000 cycles of charging and discharging while maintaining its original capacity.
While others are hot-swapping batteries, your Reach just keeps working.
We extensively tested Reach RS3 in conditions that simulate the coldest winters and hottest summers.
The body of the Reach RS3 is made of polycarbonate and coated with elastomer. The combination of these materials makes your Reach RS3 drop resistant and ready for the harshest conditions.
