Product Introduction
●All Constellations, All Frequencies
●Video Surveying
● Field Layout
●3D Modeling
●Inertial Navigation
· The S20 is a full-featured GNSS receiver that integrates inertial navigation, video, and RTK surveying capabilities. Equipped with a high-performance, high-precision satellite positioning board, it supports GNSS signal processing across all constellations and frequencies. It features narrowband anti-interference technology and automatically performs ionospheric optimization to meet surveying requirements in complex environments. By combining RTK with imagery, it enables real-world stakeout in a single step; The newly added video surveying feature effectively extends point coordinates, expanding the scope of operations; pre-installed with fourth-generation inertial navigation-based oblique surveying technology, it enables measurement as soon as the pole is raised, facilitating walking surveys.
Product Parameter (specification)
| Category | Item | Specification |
| GNSS Performance | Tracking Channels | BDS: B1I, B2I, B3I, B1C, B2a, B2b GPS: L1 C/A, L1C, L2P (Y), L2C, L5 GLONASS: G1, G2, G3 Galileo: E1, E5a, E5b, E6 QZSS: L1, L2, L5 Supports mainstream SBAS including WAAS, EGNOS, GAGAN, MSAS, SDCM, BDSBAS. Supports BDS PPP and Galileo HAS services. |
| Resume Survey | Supported | |
| Accuracy | Static Survey | Horizontal: ± (2.5 + 0.5×10⁻⁶D) mm Vertical: ± (5 + 0.5×10⁻⁶D) mm |
| RTK Survey | Horizontal: ± (8 + 1×10⁻⁶D) mm Vertical: ± (15 + 1×10⁶D) mm |
|
| IMU Tilt Compensation | Compensation Accuracy | 8mm + 0.3mm/°tilt (Accuracy <2cm within 30°) |
| Compensation Angle | 0 ~ 60° | |
| IMU Update Rate | 400Hz | |
| Stake-out Camera | Resolution | 2MP |
| FOV | 72° | |
| Visual Survey Camera | Resolution | 2MP |
| FOV | 72° | |
| Frame Rate | 30 fps | |
| Visual Survey | Measurement Accuracy | 2 ~ 4 cm |
| Measurement Range | 2 ~ 15 m | |
| UHF Radio | Protocol | Supports full protocols: TrimTalk450S, TrimTalk(4800), TrimMarkIII, South(9600/19200), Satel, Satel_ADL, HITARGET(9600/19200), HZSZ, GEOTALK, GEOMARK, PCCFST, PCCFST_ADL, PCC-GMSK, PCC-4FSK |
| Frequency | 410 ~ 470MHz (Freely switchable) | |
| Channels | 7 + 2400 (7 fixed channels + 2400 custom channels) | |
| System Platform | OS | Industrial Linux Operating System |
| Internal Memory | 8GB On-board Memory | |
| Bluetooth | Bluetooth BT 5.0, backward compatible with BLE (Low Energy Mode) | |
| Wi-Fi | 802.11 a/ac/b/g/n | |
| Data Interfaces | TNC Connector | For connecting internal radio antenna |
| Type-C | For direct charging and data transmission | |
| Environmental | Operating Temp. | -30°C ~ 65°C |
| Storage Temp. | -40°C ~ 80°C | |
| Ingress Protection | IP68 | |
| Drop Survival | Survives 2m drop onto hard ground (pole mount) at room temp, 1.2m free fall | |
| Humidity | Withstands 99.9% condensation | |
| Electrical | Battery | Internal Battery, 3.6V, 13.6Ah, 48.96Wh, Supports PD Fast Charging |
| Operating Time | 16h | |
| Physical | Buttons | 1 Multifunction Power Button |
| LED Indicators | Satellite LED, Data Link LED, Battery Level LED | |
| Display | 1.1-inch AMOLED screen, Resolution 294×126 | |
| Material | Magnesium Alloy Housing | |
| Dimensions | 134mm × 72mm | |
| Weight | 897g |
Product Feature And Application
All Constellations, All Frequencies · Fast Acquisition
Equipped with a high-performance, high-precision GNSS SoC board, it ensures high-quality signal reception and supports GNSS satellite signals from all constellations and frequencies, including BeiDou, GPS, GLONASS, Galileo, and QZSS, enabling rapid acquisition, locking, and processing of GNSS satellite signals.
Field Staking-Get It Right the First Time
Satellite navigation, inertial navigation, and visual fusion algorithms significantly reduce the impact of electromagnetic interference, ensuring precise staking. By combining RTK with imagery, staking points are marked directly on the image, allowing for quick point identification and getting the job done right the first time. Dual AR imagery on both the handheld device and the main unit provides intelligent guidance throughout the entire staking process, doubling efficiency.
Video Surveying: Expanding the Operational Scope
After collecting baseline point data via RTK, even if there are obstacles that cannot be crossed, point coordinates can be effectively extended to expand the operational range.
Inertial Navigation · Tilt Measurement Made Easy
Sitolli's fourth-generation inertial navigation tilt measurement technology is immune to electromagnetic interference. It allows for immediate measurement without the need to level the staff using a bubble level, enabling walk-and-measure staking out and ensuring reliable measurement accuracy.
Prodection Details
Prodect Qualification
Exihibition Show
Deliver, Shipping And Serving
Latest News
Shandong Surveying Information Technology Co., Ltd. is a professional manufacturer and one-stop supplier of surveying and mapping instruments, with nearly 20 years of industry experience. We specialize in the production of RTK receivers, automatic levels, total stations and theodolites, and also act as an authorized agent for multiple well-known industry brands, covering a full range of engineering surveying tools, measuring instruments and experimental equipment. We integrate production, global trade, technical support and after-sales service, committed to providing global customers with high-quality products and professional solutions. We look forward to cooperating with you!
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