Spherefix SP30Se RTK GNSS Receiver with IMU

The Spherefix SP30Se is a professional multi-constellation GNSS receiver designed for high-precision surveying, mapping, positioning and stakeout work. It combines a 1408-channel GNSS engine, tilt compensation, 4G connectivity, Bluetooth, Wi-Fi and an integrated 5W radio in a portable Linux-based receiver.

The SP30Se is designed for land surveyors, civil engineers, construction teams, mapping professionals, GIS specialists, utility contractors, agricultural surveyors and other users who need reliable centimetre-level positioning in the field.

The receiver can be used for topographic surveys, cadastral surveys, construction layout, road and infrastructure projects, control-point establishment, GIS data collection, earthwork measurements and general RTK positioning applications.

Yes. The SP30Se can be configured as an RTK base station or rover. Its integrated radio and mobile network connectivity support flexible base-rover, network RTK and correction-data workflows.

The SP30Se is suitable for land surveying, construction, civil engineering, transportation, utilities, mining, agriculture, environmental mapping, municipal projects and geospatial data collection.

Yes. The receiver uses a Linux-based intelligent operating system powered by an ARM Cortex-A7 processor. This platform manages GNSS positioning, communications, data collection and receiver configuration.

The SP30Se supports GPS, GLONASS, BeiDou, Galileo, QZSS, SBAS and NavIC satellite systems. Multi-constellation tracking improves satellite availability and positioning reliability in demanding field environments.

The SP30Se is equipped with 1408 high-speed GNSS channels, allowing it to track multiple frequencies and signals from several satellite constellations simultaneously.

The specified RTK accuracy is approximately ±(8 mm + 1 ppm) horizontally and ±(15 mm + 1 ppm) vertically under suitable operating conditions. Actual results depend on satellite geometry, correction quality, baseline length, multipath and the surrounding environment.

The specified static accuracy is approximately ±(2.5 mm + 1 ppm) horizontally and ±(5 mm + 1 ppm) vertically when appropriate static-survey procedures and processing methods are used.

Yes. The SP30Se includes tilt compensation for measuring points without holding the survey pole perfectly vertical. This helps users collect points faster and reach locations beside walls, obstacles, trenches and other difficult features.

The receiver is specified to provide positioning accuracy of less than 2 cm within a tilt range of up to 60 degrees under suitable GNSS and correction conditions.

Tilt compensation reduces the need to keep the pole precisely vertical during every measurement. The system must still be correctly initialized and operated according to the field software and receiver instructions to maintain reliable results.

The SP30Se includes 4G mobile network connectivity, Bluetooth, Wi-Fi and an integrated UHF/LoRa radio. These options allow the receiver to exchange correction data with a base station, RTK network, controller or other compatible equipment.

Yes. The receiver has an integrated radio operating in the 410–470 MHz range with selectable 1 W, 2 W and 5 W transmission power, subject to the configuration and radio regulations in the country of use.

The product is designed for long-range correction transmission and the manufacturer states a range of up to 30 km in open areas for compatible LoRa operation. Actual range can be lower because of terrain, buildings, vegetation, antenna height, interference, radio settings and local regulations.

Published specifications list support for commonly used protocols including TRIMTALK, TRIMMK3, SOUTH and TRANSEOT. Compatibility should be confirmed when connecting the SP30Se to radios or GNSS receivers from another manufacturer.

Yes. Its integrated 4G modem can be used with compatible field software and a suitable SIM card to receive correction data from an NTRIP caster or regional CORS network.

Yes. The receiver can connect to a compatible field controller through Bluetooth or Wi-Fi. The controller is used to configure the receiver, manage RTK connections, collect points, perform stakeout and export survey data.

The SP30Se includes 32 GB of internal storage for receiver data and field records. Available capacity may vary depending on system files, logging settings and installed firmware.

The built-in 7.4 V, 10,000 mAh battery is designed for extended field use. Published specifications indicate more than 10 hours of continuous operation in base mode and more than 24 hours in mobile-network data-link mode, although runtime varies with radio power, temperature, connectivity and receiver settings.

The receiver supports USB Power Delivery charging at 12 V/2 A and USB DCP charging at 5 V/3 A. It can also support an external 9–24 V DC power supply when used with the appropriate equipment.

The specified operating temperature range is approximately -20°C to +60°C, with a stated storage temperature range of approximately -20°C to +70°C.

The receiver is approximately 145.7 mm in diameter, 86.6 mm high and weighs about 1 kg. Its compact format is intended for portable base-station and rover use.

It may exchange correction data with compatible third-party GNSS equipment when both systems use matching frequencies, protocols and correction formats. Radio, NTRIP, RTCM and software compatibility should be verified before field deployment.

Performance can be affected by buildings, trees, bridges, power lines, reflective surfaces, radio interference, poor satellite geometry, long RTK baselines and interrupted correction links. For best results, use the receiver with a clear view of the sky and a stable correction source.