Emlid Reach RS4
$3,899.00
Regular price
$3,899.00
Sale price
$3,899.00
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Ships late 2025. Pre-Order here to get in line. Pre-order and receive a Quick Release Adapter free.
The Emlid RS4 is a next-generation GNSS receiver built for surveyors who need accuracy, reliability, and ease of use in the field. Perfect for daily surveying tasks, construction layout, and mapping projects.
Key Features
- High-precision RTK GNSS for versatile surveying and mapping
- Tilt compensation for faster point collection
- Reliable fix times for uninterrupted fieldwork
- Rugged, weatherproof design for all-day outdoor use
- Seamless integration with Emlid Flow and popular apps
Ideal for surveyors seeking a balance of precision and simplicity, the RS4 delivers professional results without complexity.
Specifications
Mechanical
| Dimensions | 128.6 X 128.6 X 99.3 mm |
| Weight | 920 g |
| Operating tº | -40 to +65 °C |
| Ingress protection | IP68 |
GNSS
| 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: L1-SPS Data, L5-SPS |
| Number of channels | 672 |
| Update rate | Up to 10 Hz |
Positioning
| RTK | H: 7mm + 1 ppm V: 14 mm + 1 ppm |
| PPK | H: 5 mm + 0.5 ppm V: 10 mm + 1 ppm |
| Static | H: 4 mm + 0.5 ppm V: 8 mm + 1 ppm |
| Tilt compensation | RTK + 2mm + 0.3 mm/° |
| Convergence time | ~5 s typically |
Data
| Corrections | NTRIP, RTCM3 |
| Position output | NMEA, LLH/XYZ |
| Data logging | RINEX, NMEA, LLH/XYZ, UBX |
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 |
Connectivity
| LoRa radio | Frequency range | 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 |
|
| SIM card | Nano-SIM | |
| Wi-Fi | 802.11a/b/g/n | |
| Bluetooth | Bluetooth 5.1 (BR/EDR + LE) | |
| Ports | RS-232, USB Type-C | |
| Internal storage | 16 GB |
