Description
The Emlid Reach RS4 is a high-precision RTK GNSS receiver made for surveyors, mappers, and construction pros. It gives centimeter-level accuracy, even under tree cover or in rough sites. With tilt compensation, long battery life, and rugged build, it works well in tough conditions.
- Tilt Compensation
- Base and rover setup
- Coding
- Points, lines, and polygons
- Inverse & Traverse
- WMS layers
- DTM support
- Stakeout reports
- CSV, DXF, SHP, and KML
All-band RTK GNSS receiver with tilt compensation
High precision even under a dense canopy. Comes with a mobile app.
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
16 hours on one charge
Li-Ion battery, USB Type-C charging
Durability
Magnesium alloy body, IP68 rating and operating temperatures ranging from -40 to +65°C (-40 to +149ºF)
Specification:
Mechanical
- Dimensions128.6 x 128.6 x 99.3 mm
- Weight920 g
- Operating tº-40 to +65 °C
- Ingress protectionIP68
Electrical
- Autonomy 16 hrs as RTK rover with tilt
- Battery Li-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~5s typically
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 card Nano-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 Pro
“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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