Long-distance and rugged datalink
The EFIX FL3 Datalink is a UHF radio modem based on EFIX’s technical expertise and extensive field work experience. With many innovative features, the FL3 provides reliable base-to-rover RTK GNSS corrections over long communication distances.
Commonly used frequency channels can be preset and the output power can be adjusted from 5 to 28 W according to the environmental constraints of the project. The customizable parameter setting function allows operators to easily start the FL3 radio modem by simply pressing the corresponding control buttons.

The EFIX FL3 Datalink is designed to provide high-performance, long-distance transmission of RTK corrections for surveying, construction, and geospatial operations. With its rugged build and user-friendly interface, it delivers unmatched reliability and range in both urban and rural environments.

Long-Distance RTK Correction Transmission

With an operational range of up to 30 km or more (under optimal conditions), the EFIX FL3 ensures consistent and stable RTK correction delivery. Whether deployed on expansive agricultural fields or construction sites with limited GNSS visibility, this datalink maximizes the coverage of a single base station to support multiple rovers with no compromise on signal integrity.

Coverage radius: Up to 30 km+
Ideal for multi-rover setups
Supports long-range communication with low data loss

Optimized User Interface for Seamless Control

FL3 is equipped with an intuitive interface that simplifies configuration and monitoring in the field. With a built-in LCD screen, LED indicators, and function buttons, operators can quickly check transmission status, adjust frequency, and configure channel settings—even while wearing gloves.

1 x LCD Display for real-time data
3 x LED status indicators
5 responsive function buttons
Multiple preset frequency channels for flexibility

Adaptive Transmission Power for Diverse Environments

Thanks to its adjustable power output of up to 28 W, the EFIX FL3 can be optimized for different terrains and coverage needs. Whether operating in dense urban zones or open countryside, it ensures efficient RTK correction delivery without unnecessary power consumption.

Power output: Adjustable up to 28 W
Adaptable for field and urban deployment
Efficient energy use, extended range

Industrial-Grade Durability

Built for real-world field operations, the EFIX FL3 is engineered to withstand dust, water, heat, and physical impact. Its IP67-rated housing ensures protection from harsh environmental conditions, while the integrated heat radiator maintains performance even during long hours of use.