The key features include:
- All-band RTK reception (L1/L2/L5/L6) across all satellite systems for unparalleled performance in urban canyons, dense canopies, and other difficult conditions.
- Integrated antenna system with diversity LTE, dual-band Wi-Fi, and Bluetooth for a clean GNSS signal and stable fix solution wherever you go.
- Emlid multi-band radio system up to 2W, interoperable with third-party gear for sending and receiving corrections. The radio supports both licensed and license-free operations at 450 MHz and 915 MHz. This allows users to adapt to project needs while staying compliant
with regulatory requirements. - Next-generation IMU tilt compensation with up to 5 times faster initialization.
- Durability-first design with a magnesium alloy body, IP68 protection, and user-replaceable
bumpers to secure the receiver from the scariest falls. - Made for iPhone certification for compatibility with iOS apps, including Esri ArcGIS apps.
- Innovative quick release mount for a survey pole, ensuring accuracy and speed, even
when tilted. Сompatible with standard 5/8” thread.
Building on the RS4 platform, the Reach RS4 Pro adds groundbreaking vision capabilities.
With dual, factory-calibrated full HD cameras, it delivers the new features:
- AR stakeout—an intuitive, augmented-reality guidance for fast and easy navigation to the points. Any geometry from the project can be projected in AR in the Emlid Flow app.
- Measurement from images—a new solution to capture inaccessible points safely and quickly, be it on a facade or in the middle of a highway. The images taken directly from the receiver’s camera are processed in Emlid Flow to provide accurate coordinates.
With its camera capabilities, the Reach RS4 Pro goes a step further than traditional RTK. This next-generation receiver greatly speeds up stakeout and saves time for total station setup when measuring in hard-to-reach or hazardous areas.
Technical Specifications
| Positioning | ||||
| Precision | Static | H: 4 mm + 0.5 ppm V: 8 mm + 1 ppm |
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| PPK | H: 5 mm + 0.5 ppm V: 10 mm + 1 ppm |
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| RTK | H: 7 mm + 1 ppm V: 14 mm + 1 ppm |
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| Convergence time | ~ 5 s t ypically | |||
| Tilt compensation | RTK + 2mm + 0.3 mm/° | |||
| Signal tracked | 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: L 1-SPS Data, L5-SPS |
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| Number of channels | 672 | |||
| Update rates | Up to 10 Hz | |||
| Connectivity | ||||
| Emlid radio* | ||||
| LoRa radio | Frequency rangу | 868/915 MHz | ||
| Power | 0.1 W | |||
| Distance | Up to 8 km | |||
| UHF radio | Frequency range | 410 – 470 MHz | ||
| Protocols | TRIMTALK 450S** | |||
| Modulation type | GMSK | |||
| LTE modem | Regions | Global | ||
| Bands | FDD-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 |
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| SIM card | Nano-SIM | |||
| Wi-Fi | 802.11a/b/g/n | |||
| Bluetooth | Bluetooth 5.1 (BR/EDR + LE) | |||
| Ports | RS-232, USB Type-C | |||
| Data protocols | Corrections | NTRIP, RTCM3 | ||
| Position output | NMEA, LLH/XYZ | |||
| Data logging | RINEX, NMEA, LLH/XYZ, UBX | |||
| Internal storage | 16 GB | |||
| Imaging | ||||
| Image sensors | 1/2.6 in, CMOS, globalshutter, Full HD | |||
| Field of view | Front camera Bottom camera |
H: 64.6°,V: 42.8° H: 63°, V: 42° |
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| Video frame rate | 25 fps | |||
| Mechanical | ||||
| Dimensions | 128.6 x 128.6 x 99.3 mm | |||
| Weight | 920 g | |||
| Operating temperatures | -40 to +65 °C | |||
| Ingress protection | IP68 | |||
| Electrical | ||||
| Autonomy | 16 hrs as RTK rover with tilt, 22 hrs of logging | |||
| Battery | Li-Ion 5000 mAh, 7.2 V, 36 Wh | |||
| Charging | USB Type-C (PD): 5V-3A, 9V-3A, 12V-3A, 15V-3A | |||
Package includes
- 1x Reach RS4 Pro
- 1x Carrying case
- 1x USB Type-C cable
- 1x LoRa Antenna 860-930 MHz
- 1x UHF Antenna 410-470 MHz
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