Description
The Emlid Reach RS4 Pro is a high-precision, all-band GNSS receiver built for serious surveying, mapping, and construction work. It has dual Full HD cameras for visual stakeout and remote point capture, allowing you to overlay designs in augmented reality while working in the field. With support for all major GNSS constellations and bands (including L5 and L6), plus fast RTK and robust tilt compensation, it delivers centimeter-level accuracy even in tough environments.
- Tilt Compensation
- Base and rover setup
- Coding
- Points, lines, and polygons
- Inverse & Traverse
- WMS layers
- DTM support
- Stakeout reports
- CSV, DXF, SHP, and KML
Next-level stakeout with augmented reality and measuring from photos. Comes with a mobile app.
AR guidance for stakeout
Measurements from images
High precision
RTK: 7 mm + 1 ppm
Tilt compensation: RTK: 2 mm + 0.3 mm/°
All-band support
GPS: L1C/A, L2C, L5
GLONASS: L1OF, L2OF
Galileo: E1-B/C, E5a, E6
BeiDou: B1I, B1C, B2a, B3I
QZSS: L1C/A, L1C/B11, L2C, L5
NavIC: L1-SPS Data, L5-SPS
Base and rover
915 MHz LoRa
450 MHz UHF
NTRIP
Rugged and powerful
16 hours on one charge
Magnesium alloy body
IP68 rating
Withstands temperatures from -40 to +65°C
Specification:
Imaging
- Image sensors1/2.6 in, CMOS, global shutter, Full HD
- Field of view (front camera)H: 64.6°, V: 42.8°
- Field of view (bottom camera)H: 63°, V: 42°
- Video frame rate25 fps
Mechanical
- Dimensions128.6 x 128.6 x 99.3 mm
- Weight920 g
- Operating tº-40 to +65 °C
- Ingress protectionIP68
Electrical
- Autonomy16 hrs as RTK rover with tilt
- BatteryLi-Ion 5000 mAh, 7.2 V, 36 Wh
- ChargingUSB Type-C (PD): 5V—3A, 9V—3A, 12V—3A, 15V—3A
Positioning
- StaticH: 4 mm + 0.5 ppm | V: 8 mm + 1 ppm
- PPKH: 5 mm + 0.5 ppm | V: 10 mm + 1 ppm
- RTKH: 7 mm + 1 ppm | V: 14 mm + 1 ppm
- Tilt compensationRTK + 2 mm + 0.3 mm/°
- Convergence time~5 s typically
Data protocols
- CorrectionsNTRIP, RTCM3
- Position outputNMEA, LLH/XYZ
- Data loggingRINEX, NMEA, LLH/XYZ, UBX
- Internal storage16 GB
GNSS
- Signal trackedGPS: L1C/A, L2C, L5
- GLONASS: L1OF, L2OF
- Galileo: E1-B/C, E5a, E6
- BeiDou: B1I, B1C, B2a, B3I
- QZSS: L1C/A, L1C/B11, L2C, L5
- NavIC: L1-SPS Data, L5-SPS
- Number of channels672
- Update ratesup to 10 Hz
Connectivity
- LoRa radio*: up to 1W
- Frequency range868/915 MHz
- Power0.1 W
- DistanceUp to 8 km
- UHF radio*: up to 2W
- Frequency range410 – 470 MHz
- ProtocolsTRIMTALK 450S**
- Modulation typeGMSK
- LTE modem
- RegionsGlobal
- BandsFDD-LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28 TD-LTE: 38, 39, 40, 41 UMTS (UHPS/FDD): 1, 2, 5, 8 Quad-band, 850/1900, 900/1800 MHz
- SIM cardNano-SIM
- Wi-Fi802.11 b/g/n
- Bluetooth5.1 (BR/EDR + LE)
- PortsRS-232, USB Type-C
*Use the correct antenna, LoRa or UHF, for your setup.
**TRIMTALK is a trademark of Trimble Inc.
Buy Emlid Reach RS4
“As a Senior Surveyor at Aurecon, I found Jamie and Alison from the Green Sky Team were extremely helpful and rapidly responded to our short notice request.
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