Stonex S900A/S9II RTK GNSS Receiver

$4,308.66

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S9II/S900A

Stonex S900A/S9II RTK GNSS Receiver

The Stonex S900A/S9II RTK GNSS Receiver is a professional-grade, high-precision surveying instrument designed for land surveying, construction layout, GIS mapping, and engineering applications. Combining advanced RTK technology, dual-frequency GNSS tracking, and multi-constellation support, this receiver delivers centimeter-level accuracy in real time. Built for professionals who demand speed, reliability, and versatility in challenging environments, the S900A/S9II ensures precise, efficient, and consistent positioning in the field.

Stonex S900A/S9II RTK GNSS Receiver


📡 Advanced RTK & GNSS Technology

The Stonex S900A/S9II features Real-Time Kinematic (RTK) positioning, allowing surveyors to achieve centimeter-level accuracy for critical projects. With dual-frequency L1/L2 support, it minimizes ionospheric errors and enhances the stability of corrections. The receiver tracks multiple constellations, including GPS, GLONASS, Galileo, BeiDou, and QZSS, enabling rapid satellite acquisition and uninterrupted signal reception, even in urban areas, forests, or partially obstructed sites.


🎯 Centimeter-Level Accuracy

The S900A/S9II provides precise positioning for demanding surveying tasks, including:

  • Land and boundary surveys

  • Construction site layout and staking

  • Road, bridge, and infrastructure projects

  • Topographic mapping and GIS data collection

  • Agricultural or utility mapping

  • Its high-precision measurements reduce rework, improve productivity, and ensure reliable survey results every time.


⚡ Fast Initialization & Stable Signal

With rapid RTK initialization and strong anti-interference performance, the Stonex S900A/S9II provides quick fixes and stable positioning. Even in complex urban or forested environments, the receiver maintains smooth data output, minimizing downtime and field errors.


🔋 Long-Lasting Battery & Portability

Equipped with a high-capacity rechargeable battery, this receiver supports extended field operations without interruption. Lightweight and ergonomically designed, it is easy to carry and set up on poles or tripods, enabling surveyors to work efficiently across large sites.

gps survey equipment


🧱 Rugged, Weather-Resistant Design

Designed for demanding field conditions, the Stonex S900A/S9II RTK GNSS Receiver is dustproof, waterproof, and shock-resistant, capable of performing reliably in rain, dust, and extreme temperatures. Its durable casing ensures longevity and consistent performance on construction sites and remote locations.


📱 Seamless Data Management & Connectivity

The receiver is compatible with Stonex controllers, data collectors, and field survey software, enabling real-time data collection and transfer to CAD, GIS, or mapping platforms. Wireless connectivity and Bluetooth support streamline field-to-office workflows, increasing efficiency for survey teams.

gps survey equipment


🛠️ Easy Setup & Operation

  • Quick pole or tripod mounting

  • Simple base/rover RTK configuration

  • User-friendly interface for professional surveyors

  • Minimal calibration required for fast operation

  • Portable and lightweight design for field mobility


⭐ Key Features

  • Dual-frequency RTK GNSS positioning

  • Multi-constellation satellite tracking (GPS, GLONASS, Galileo, BeiDou, QZSS)

  • Centimeter-level measurement accuracy

  • Rapid RTK initialization

  • Long-lasting rechargeable battery

  • Rugged, weatherproof, and dustproof design

  • Anti-interference technology for urban and forested areas

  • Lightweight and portable

  • Compatible with Stonex survey controllers and software

  • Ideal for surveying, GIS mapping, and construction layout


💎 Why Choose Stonex S900A/S9II

The Stonex S900A/S9II RTK GNSS Receiver delivers precision, durability, and efficiency for professional surveying applications. Its advanced RTK technology, multi-constellation support, and rugged design make it ideal for surveyors, engineers, and GIS professionals who require reliable, high-accuracy positioning in challenging field conditions. Whether used for construction projects, land surveying, or GIS mapping, this receiver ensures professional results and streamlined workflow for every survey task.

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gps survey equipment

Model S9II/S900A
Satellite system Beidou+GPS+GLONASS+ Galileo
Track features Channel 800
GPS L1 C/A,L2E,L2C,L5
GLONASS L1 C/A, L1P, L2 C/A(GLONASS M), L2P
BDS B1,B2
GIOVE-A L1 BOC, E5A, E5B, E5AltBOC1
GIOVE-B L1 CBOC, E5A, E5B, E5AltBOC1
SBAS WASS,MSAS,ENGOS,QZSS
Performance indicators Static measurement of      plane precision. ±(2.5mm + 1ppm)RMS 
Static measurement     elevation accuracy. ±(5mm + 1ppm)RMS
RTK measures plane precision. ±(10mm + 1ppm)RMS
RTK measures elevation accuracy. ±(20mm + 1ppm)RMS
SBASPositioning (typical) Plane precision <1m 3DRMS
Elevation accuracy <5m 3DRMS
Initialization time <10s
Initialization reliability >99.99%
Environmental indicators Working temperature – 30℃~+65℃
Storage temperature – 40℃~+80℃
Waterproof and dustproof IP67
drop  Resistance to 2 m drop (concrete hard ground)
Waterproof Immersing 1 meter in water (30 minutes)
humidity 100% condensation resistance
Memory and data Internal Storage Onboard 4G SD card expansion, maximum support 32G.
differential output  RTCM2.3,RTCM3.0,RTCM3.X,CMR,CMR+
GNSS antenna performance  The internal integrated quad-feeder microstrip antenna, zero-phase center, built-in multipath suppression plate.
       built-in,V2.0 Class2
Network communication Built-in WCDMA 3.5G network communication module;Customizable CDMA2000 3G network communication.
Wireless communications Communication protocol TrimTalk is interchangeable with international brand radio and can be customized with domestic hosts.
UHF radio Built-in transceiver 0.5W/2W
outer launch 5W/35W
Working frequency 410-470MHZ
Physical and power characteristics. size φ19cm×9.9cm
Weight 1.2kg
Battery capacity Single block 3400mAh
keys 2
service time  6 hours
industrial-grade controller P9 operating system Windows Mobile 6.5
 Hardware platform  AM335X frequency 1GHz
onboard memory  RAM:512MB DDR3 onboard memory 4G
Display  3.7 inches Blanwiew TFT,480*640VGA resolution ratio
Battery  7.2V/3400mAH
Waterproof and dustproof IP67
Working temperature – 30℃~+60℃
Storage temperature – 30℃~+70℃
drop  Resistance to 2 m drop (concrete hard ground)
camera 5 megapixel autofocus.
communication Wi-Fi  /USB OTG/3.5G

gps survey equipment

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Model Number

S9II/S900A

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