The quality of the equipment and level of service exceeded our expectations. GeoSurv Africa has become our preferred surveying solutions provider.
Sipho DlaminiSenior Surveyor
The ESA3 Radio is a compact external communication device designed for GNSS RTK surveying applications, providing reliable wireless correction data transmission, long operating time, and dependable field performance.
The ESA3 Radio is a compact and reliable external communication radio designed to enhance GNSS RTK surveying operations by providing stable data transmission between base and rover receivers. Built for professional surveying and geospatial applications, the ESA3 Radio delivers dependable wireless communication over long distances, ensuring accurate real-time correction data transfer in challenging field environments.
| Feature / Specification | Details |
|---|---|
| Product Name | ESA3 |
| Product Type | Geodetic GNSS Antenna |
| Typical Power Consumption | 10 W |
| Design | Rugged, High Vibration Resistant |
| Supported Satellite Systems | GPS, GLONASS, Galileo, BeiDou & SBAS |
| GPS Signals | L1, L2, L5 |
| GLONASS Signals | L1, L2 |
| Galileo Signals | E1, E5, E6 |
| BeiDou Signals | B1, B2, B3 |
| SBAS Support | QZSS |
| Connectivity | 1 × USB Type-C Port |
| Operating Temperature | -20°C to +65°C |
| Humidity Resistance | 95% Non-Condensing |
| Protection Rating | IP67 Dust & Waterproof |
| Drop Resistance | 1.6 m Free Drop |
| Dimensions (H × W × D) | 136 × 68 × 32 mm |
| Year Introduced | 2026 |
| Typical Applications | GNSS Surveying, Geodetic Control, CORS Stations, Mapping, Engineering Surveys & Infrastructure Monitoring |
Calibration, repair and accuracy testing for most professional brands.
We match the kit to your accuracy needs and budget, no upselling.
Phone, email or WhatsApp a person who actually knows the gear.
Cover project peaks or service downtime with short-term hire.
The ESA3 Radio is used to transmit RTK correction data between GNSS base stations and rover receivers for high-accuracy positioning.
Yes, the ESA3 Radio is designed to work with various GNSS RTK systems and surveying equipment.
External radios provide extended communication range, improved signal reliability, and stable correction data transmission in the field.
Yes, depending on terrain, antenna configuration, and local conditions, the radio can support long-distance RTK communication.
