Emlid Reach RS4 Pro

From $4,599.00

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1 Year Emlid Flow +Survey
1 Year RTK Premium NTRIP Service

Regular price $4,599.00
Sale price $4,599.00 Regular price
Shipping calculated at checkout.

Ships late 2025.  Pre-Order here to get in line. Pre-order and receive a Quick Release Adapter free.

Need an NTRIP network provider?  Check out RTK Premium

The Emlid RS4 Pro is our most advanced GNSS receiver, designed for demanding projects and professional surveyors who need maximum performance, speed, and precision.

Key Features

  • Pro-level RTK accuracy for the most complex surveys
  • Advanced tilt compensation for the fastest, most efficient point collection
  • Ultra-fast fix times for challenging environments
  • Rugged design built to handle long, intensive fieldwork
  • Full Emlid Flow integration plus advanced workflow support

RS4 Pro is built for professional surveyors who need cutting-edge performance, enabling topographic, construction, and geospatial projects at the highest level of accuracy.

 

Specifications

Mechanical

Dimensions   128.6 x 128.6 x 99.3 mm
Weight 920 g
Operating temperatures -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, L5SPS
Number of channels  672
Update rates  Up to 10 Hz

 

Positioning

RTK  H: 7 mm + 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

 

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

 

 

Emlid Reach RS4 Pro

$4,599.00


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