Emlid Reach RS3 Survey Kit
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Reach RS3 Survey Kit
Professional RTK GNSS System with Tilt Compensation
Complete Survey Solution
The Reach RS3 Survey Kit includes two Reach RS3 receivers that can be used as both base and rover for RTK and PPK surveying. With advanced IMU tilt compensation, you can achieve centimeter-level accuracy even when the pole is tilted up to 60 degrees.
Ideal for boundary surveys, topographic mapping, construction layout, and other demanding field work. The kit delivers professional-grade precision with 18-hour battery life and rugged IP67 design.

Key Features
Survey Faster with Tilt Compensation
The IMU-based tilt compensation in Reach RS3 allows you to measure points accurately without leveling the pole. This is especially useful in challenging environments like building corners, under vegetation, or other hard-to-reach spots.
Key advantages of the tilt compensation feature:
- Calibration-free: Factory-calibrated IMU ready to use out of the box.
- Immune to magnetic disturbances: Works reliably near metal structures.
- Quick initialization: Ready in about 20 meters of walking or 10-20 seconds of tilting.
- Wide tilt range: Maintains accuracy up to 60 degrees of tilt.

What's Included
The Reach RS3 Survey Kit includes everything you need to start surveying immediately:

Technical Specifications
| Dimensions | 126 x 126 x 142 mm |
| Weight | 950 g |
| Operating Temperature | -20 to +65°C |
| Ingress Protection | IP67 (waterproof and dustproof) |
| Battery Life | 18 hrs as RTK rover with tilt, 22 hrs of logging |
| Battery Type | Li-Ion 5200 mAh, 7.2 V, 37.44 |
| Charging | USB Type-C, 5V 3A |
| Static Survey | H: 4 mm + 0.5 ppm | V: 8 mm + 1 ppm |
| PPK | H: 5 mm + 0.5 ppm | V: 10 mm + 1 ppm |
| RTK | H: 7 mm + 1 ppm | V: 14 mm + 1 ppm |
| Tilt Compensation | RTK + 2 mm + 0.3 mm/° |
| Convergence Time | ~5 seconds typically |
| Radio (LoRa) | 868/915 MHz, 0.1W, up to 8 km range |
| UHF Radio | 410-470 MHz (TRIMTALK 450S compatible) |
| LTE Modem | Global bands, Nano-SIM slot |
| Wi-Fi & Bluetooth | 802.11 b/g/n, Bluetooth 5.4 |
| Signals Tracked | GPS/QZSS L1C/A, L2C; GLONASS L1OF, L2OF; BeiDou B1I, B2I; Galileo E1-B/C, E5b |
| Number of Channels | 184 |
| Update Rates | Up to 10 Hz |
| IMU | 6DOF (6 Degrees of Freedom) |
| Correction Formats | NTRIP, RTCM3 |
| Position Output | NMEA, LLH/XYZ |
| Data Logging | RINEX, NMEA, LLH/XYZ, UBX |
| Internal Storage | 16 GB (160+ days of logging at 1 Hz) |
Which Emlid Receiver Is Right For You?
| Feature | Reach RS3 | Reach RS2+ | Reach RX |
|---|---|---|---|
| RTK Accuracy | H: 7 mm + 1 ppm V: 14 mm + 1 ppm |
H: 7 mm + 1 ppm V: 14 mm + 1 ppm |
H: 7 mm + 1 ppm V: 14 mm + 1 ppm |
| PPK Accuracy | H: 5 mm + 0.5 ppm V: 10 mm + 1 ppm |
H: 5 mm + 0.5 ppm V: 10 mm + 1 ppm |
N/A |
| Tilt Compensation | ā RTK + 2mm + 0.3mm/° | ā | ā |
| Base Mode | ā | ā | ā |
| Data Logging | ā | ā | ā |
| Connectivity | UHF radio (receive-only), LoRa radio, NTRIP, Serial, TCP, Bluetooth |
LoRa radio, NTRIP, Serial, TCP, Bluetooth |
NTRIP via Bluetooth from smartphone/tablet |
| Battery Life | 18 hrs as RTK rover with tilt 22 hrs of logging |
16 hrs as LTE RTK rover 22 hrs of logging |
16 hrs |
| Weight | 950 g | 950 g | 250 g |
| Ingress Protection | IP67 (0.5m depth, 30 min) | IP67 (0.5m depth, 30 min) | IP68 (1.5m depth, 30 min) |