For Nigeria’s surveyors, engineers, and geospatial professionals, the Tersus Oscar Basic GNSS RTK Receiver, priced at ₦7,400,000, is a high-precision, cost-effective solution for accurate land surveying and mapping. With a robust multi-constellation GNSS board and seamless integration, this receiver delivers centimeter-level accuracy for projects across Nigeria’s diverse landscapes.

High-Accuracy RTK Performance
The Tersus Oscar Basic is engineered for professional-grade surveying:
- 576-Channel GNSS Board: Tracks GPS (L1, L2, L5), GLONASS, BeiDou, Galileo, QZSS, and SBAS, ensuring stable signal detection in urban Lagos or forested Cross River.
- Centimeter-Level Accuracy: Achieves 8mm horizontal and 15mm vertical RTK accuracy, with static positioning at 2mm horizontal and 5mm vertical.
- Fast Time to First Fix (TTFF): Acquires fixed solutions in 3–5 seconds in open skies or 10–30 seconds under canopy, ideal for challenging environments.
- Built-In UHF Radio: Supports long-distance communication up to 5–10km, perfect for remote sites without 4G coverage.
With 8GB internal storage and a detachable 7000mAh battery (up to 16 hours with two batteries), it ensures all-day fieldwork reliability.
Tailored for Nigeria’s Geospatial Needs
The Oscar Basic excels in Nigeria’s diverse applications:
- Land Surveying: Map cadastral boundaries in Kano or urban plots in Abuja with high precision, supporting land management and development.
- Flood Risk Mapping: Generate accurate digital elevation models (DEMs) for flood-prone areas like Mokwa, enhancing disaster preparedness.
- Construction and Infrastructure: Stake out precise coordinates for roads, bridges, or pipelines in Port Harcourt, streamlining project execution.
- Environmental Monitoring: Survey Niger Delta wetlands or northern savannas for conservation, delivering reliable geospatial data.
Its IP68 dust and water resistance and ability to withstand 2-meter drops ensure durability in Nigeria’s humid coasts, dusty north, or rainy seasons.

Smart Features for Efficient Workflows
The Oscar Basic simplifies operations with:
- NUWA App Integration: Supports one-key switching for Rapid Fix, Balance, and RTK modes, with voice prompts and customizable parameters for high-accuracy tasks.
- Online Map Support: Overlays DXF files on OSM or Google Maps for intuitive stakeout and visualization.
- Tersus Caster Service (TCS): Transmits correction data from base to rover, enhancing RTK performance in real-time.
- Post-Processing Software: Included for refining data, ideal for static surveys over 150km ranges.
Invest in Affordable Precision
At ₦7,400,000, the Tersus Oscar Basic offers professional-grade RTK performance at a competitive price, endorsed by the Nigeria Institute of Surveyors for its reliability and efficiency. Its in-house ExtremeRTK™ technology ensures high accuracy without the premium cost of competitors.
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