From stolen vehicle recovery and fleet optimization to usage-based insurance and connected car services, aftermarket telematics devices need to deliver reliable positioning without excessive power consumption. As vehicle trackers become smaller and more capable, developers face increasing pressure to balance battery life, positioning accuracy, and performance in challenging urban environments.

The u-blox F11 platform is purpose-built for these demands, combining ultra-low-power GNSS with intelligent L1/L5 signal processing and advanced positioning technologies that help aftermarket telematics solutions stay accurate where conventional GNSS struggles.

 

The challenge

Modern aftermarket telematics devices must operate for extended periods while providing dependable location updates in a wide range of driving conditions.

Key engineering challenges include:

• Maintaining accurate positioning while minimizing power consumption.

• Reducing GPS errors caused by multipath reflections from buildings and other obstructions.

• Avoiding sudden position jumps when vehicles emerge from tunnels, parking garages, or dense urban environments.

• Supporting compact hardware designs with space-constrained antennas.

• Delivering fast and reliable first fixes after startup or sleep cycles.

• Simplifying product development across both L1-only and dual-band L1/L5 variants.

Achieving all these objectives simultaneously requires GNSS technology that intelligently balances performance with efficiency.

Recommended F11 family products

How u-blox’s F11 helps

Down to 7mW power consumption in continuous tracking

F11’s Low Energy Accurate Positioning (LEAP) technology enables continuous vehicle tracking while significantly reducing energy consumption, helping battery-powered telematics devices operate longer without sacrificing positioning performance.

Selective L5 operation for the best balance between power and accuracy

F11 selectively uses L1+L5 signals when needed to ensure single meter-level accuracy in urban areas. In open-sky, it switches off the L5 band and works with the L1 band only to minimize power draw.

Minimized position errors in urban cities

Reflected satellite signals can introduce substantial positioning errors in cities. The F11 incorporates advanced multipath mitigation algorithms that reduce these effects, providing more stable and reliable vehicle locations near tall buildings and under elevated roads.

Vehicles transitioning from obstructed environments often experience sudden GNSS jumps. The F11 mitigates and minimizes these positioning outliers to deliver smoother tracking and greater confidence in the reported position.

The indoor detection and reporting helps the host MCU to get an indication when moving inside tunnels or other GNSS-denied areas to save power and to avoid using the GNSS reported position when being indoors to minimize position errors.

Up to 99% accurate mileage reporting

The >99% precise odometer capabilities of F11 improve travelled-distance estimation, supporting telematics applications that rely on accurate mileage reporting and vehicle movement analysis.

Easy and smooth migration from previous L1 single band products

The F11 chip and module products support L1 single band or L1/L5 dual-band operation within a single firmware. Developers can streamline their design across multiple product variants while maintaining firmware upgradeability for future product development.

 

Use in action 

Imagine a battery-powered vehicle recovery tracker installed in a passenger car parked overnight in a multi-level garage.

As the vehicle exits into a dense downtown environment, conventional GNSS solutions may experience delayed fixes, reflected signals, or abrupt position jumps. The F11 intelligently adapts its positioning strategy, selectively and intelligently leveraging L5 signals where they provide meaningful improvements while applying multipath mitigation to stabilize location estimates.

The result is reliable vehicle tracking, reduced false position updates, and lower overall power consumption, allowing telematics providers to extend battery life without compromising user experience.

Frequently asked questions