PRODUCT DESCRIPTION 
Stonex S3A is a compact, high performance GNSS receiver with unique features and unmatched in its category. The S3A features the multi constellation 394 channels GNSS board and supports GPS, Glonass, Beidou, Galileo, including L-Band correction. The unique internal antenna combiness GNSS, bluetooth and WIFI intergated modules to optimize space and increase performance. This technology provides stronger and cleaner signal monitoring, which means unprecedented results.
Designed for all day use in surveying application. S3A includes several features: Linux operating system, Web UI interface, UHF radio modem, high battery capacity and IP67 certification.
KEY FEATURES
 | *Multi Constellation Stonex S3A with its 394 channels, provide an excellent on board real time navigation soluton with high accuracy. All GNSS signals(GPS, GLONASS, BEIDOU, and GALILEO) are included, no additional cost. *Web UI Control To initialize, manage , monitor the settings of the receiver and to download data using portable or PC, smart phone or tablet with WIFI capability. *6800mAh Battery Capacity Stonex S3A is delivered with 6800mAh large capacity lithium battery that gives you up to 10 hours working.
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| *Internal UHF Radio Modem All S3A series models have integrated UHF modem radio. It is possible to order the S3A with the enabled radio or order the receiver without the active radio and activate it at later time. *Rugged RTK With IP67 certification Stonex S3A will ensure operations in various kinds of extremely tough environments. |
PRODUCT SHOW
PRODUCT SPECIFICATION
| Receiver | |
| Signal tracking | 394 channels |
| GPS: L1CA, L1C, L2C,L1P, L2P, L5 | |
| GLONASS: L1CA, L2C, L2P, L1P, | |
| BeiDou: B1, B2, B3; | |
GALILEO: E1, E5A,E5B | |
| SBAS: L1, L5 | |
| QZSS: L1CA, L1C, L2C, L5 | |
| GNSS Features | Postioning output rate: 5Hz, Optional up to 20Hz Initialization time:<10s initialization reliability: >99.9% hot start: typically<15s |
| L-Band | Atlas H10/ H30/ Basic |
| Signal Reacquisition | <1s |
| Internal memory | 8GB |
| Positioning precision | |
| Code differential GNSS positioning | Horizontal: <0.5m RMS Vertical: <1.0m RMS |
| Static GNSS surveying | Horizontal: 2.5mm+1ppm RMS Vertical: 5mm+1ppm RMS |
| SBAS positioning | Horizontal: <0.5m RMS2 Vertical: <1.2m RMS2 |
| Network RTK (<30km) | Fixed RTK Horizontal: 8mm+1ppm RMS Fixed RTK Vertical: 15mm+1ppm RMS |
| Integrated GNSS antenna | |
| High accuracy four constellation micro-strip antenna, zero phase center, with internal multipath suppressive board | |
| Internal Radio | |
| Type | Tx-Rx |
| Frequency Range | 410-470MHz |
| Channel Spacing | 12.5KHz/ 25KHz |
| Maximum Range | 3-4km in urban environment, up to 10km with optional conditions4 |
| Communications | |
| Bluetooth | V2.0 class/V4.1 LE |
| WIFI | 802.11b/g |
| Web UI | To upgrade the software, manage the status and settings, data download, etc. via smart phone, tabletor other internet enabled electronic device. |
| Reference Outputs | RTCM2.3 3.0 3.1 3.2 CMR CMR+ |
| Navigation output | GGA, ZDA, GSA, GSV, GST, VTG, RMC, GLL |
| Power supply | |
| Battery | Rechargeble , 7.2V-6800mAh |
| Voltage | 9-18V DC external power input with over -voltage protection(5 pins lemo) |
| Working time | Up to 10 hours up to 8 hours |
| Charge time | Typically 4 hours |
| Physical Specification | |
| Dimension | 146mm×146mm×76mm |
| Weight | 1.2kg |
| Storage temperature | -40ºC~+80ºC (-40ºF~176ºF) |
| Operating temperature | -30ºC~+65ºC (-22ºF~149ºF) -40ºC~65ºC (-40ºF~149ºF) |
| Waterproof/Dustproof | IP67 |
| Shock Resistance | Designed to endure to a 2m pole drop on concrete floor with no damage |
| Vibration | vibration resistant |
PACKING & SHIPPING
PAYMENT 
COMPANY INFORMETION
Shanghai Hexin Survey Instrument Co., LTD has 8 years' experience in geodetic surveying and cadastration surveying, we are a professional and leading enterprise in the surveying industry in MainlandChina. We specialize in the R&D and manufacturing and sales of all kinds of surveying products, including total station, electronic theodolite, electronic distance meter, automatic level, laser level, reflector prism, surveying accessory, GPS receiver, mapping software, etc.The marketing model advocated by us is not a simple sense of "selling products", instead, pre-sales service, services during operation and after-sales service are integrated in entire operating activities. It makes the customers feel that they purchased not only a commodity, but also a professional service.We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
FAQ
Q:How to turn off voice broadcast of receiver?
A: a. Enter the WEBUI, find the voice switch in the settings page and turn it off.
b. Controller Software→Device→Device Setting, turn off the "enable voice", and click"ok"
Q: Can the base station and rover station be interchangeable?
A: The difference between the rover station and the base station is that the accessories are different, the function and hardware configuration are the same.You can use the controller to choose the working mode of the device and set it as the base station or rover station.
Q: What is CORS?
A: CORS is called a continuous operating reference station system. It can be understood as a bas e station that is erected at a fixed known point and works continuously for 24 hours and sends its own data to a specific serverthrough the network. The use of CORS operation eliminates the need for a base station, and CORS is equivalent to a base station in a normal network operation.