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How Does a Vehicle Tracker Work?

Vehicle trackers have become one of the most effective ways to protect your car, van, or fleet from theft. But if you’re thinking of fitting one, you might be wondering: how does a vehicle tracker actually work?

Let’s break down the technology in simple terms.

The basics

A vehicle tracker is a small electronic device installed in your car. Its purpose is simple: tell you (or a monitoring centre) where your car is in real time.

Most trackers use two key technologies:

GPS (Global Positioning System) – To pinpoint the car’s location anywhere in the world.
GSM or radio signals – To transmit that location data to your phone, app, or monitoring service.

Together, they allow you, and sometimes the police, to know exactly where your car is.

Step-by-step: how it works

Here’s what happens when a tracker is active:

GPS satellites send signals – The tracker constantly listens for signals from multiple satellites overhead.
Tracker calculates location – Using the time it takes for those signals to arrive, the tracker works out its exact position (latitude, longitude, speed, and direction).
Data transmission – The tracker sends this information via GSM (mobile networks) or radio frequency to a secure server.
User access – You can view the car’s location on a smartphone app, web portal, or by contacting a monitoring centre.

This all happens in seconds, giving near real-time tracking.

Types of vehicle trackers

Not all trackers are the same. Common types include:

Self-monitored GPS trackers – Send location to your phone via an app or text message.
Monitored trackers – Linked to a 24/7 control centre that alerts you and the police if your car moves without authorisation.
Insurance-approved trackers – Thatcham-certified devices often required by insurers for high-value or performance cars.
Fleet trackers – Designed for businesses to monitor vehicles, routes, and driver behaviour.

Key features

Depending on the system, a vehicle tracker can offer:

- Real-time location updates.
- Geofencing alerts (if the vehicle leaves a set area).
- Tamper alerts (if the tracker is interfered with).
- Driver behaviour monitoring (speed, braking, acceleration).
- Stolen vehicle recovery in partnership with police.

Why fit a vehicle tracker?

Security – Dramatically improves chances of recovering a stolen vehicle.
Insurance – Many insurers now require a Thatcham-approved tracker for high-value cars.
Peace of mind – Know where your car is at all times.
Fleet management – Track multiple vehicles to improve efficiency and accountability.

Limitations to be aware of

Trackers are highly effective, but worth noting:

- They rely on signal – underground car parks or remote areas can reduce accuracy.
- Battery-powered trackers need charging unless hardwired.
- Professional fitting is recommended for security and reliability.

The Technical Vehicle Solutions approach

At Technical Vehicle Solutions, we supply and fit professional vehicle trackers, including Thatcham-approved systems for insurance compliance. Our services include:

- Expert installation and setup.
- Advice on the best tracker for your vehicle and needs.
- Support with insurance requirements and certification.

So, how does a vehicle tracker work?

In short: it uses GPS to locate your car and GSM or radio signals to send that data to you or a monitoring centre. Simple in theory but extremely effective in practice.

Ready to protect your car with a tracker?

If you’re considering a tracker for insurance, security, or peace of mind, we can help. At Technical Vehicle Solutions, we’ll recommend the right system and install it professionally.

📞 Call us today on 01763 230411 to book your tracker installation.