How Does GPS Work? Technology Behind Tracking & Location Systems
By
Liz Fujiwara
•
Oct 23, 2025
GPS, or Global Positioning System, is a satellite-based navigation technology that enables users to determine their precise location anywhere on Earth. By connecting to a network of orbiting satellites, GPS provides real-time positioning, navigation, and timing data essential for countless modern applications.
This article explores how GPS works, breaking down its key components and the science behind its accuracy. Beyond everyday navigation, GPS powers industries ranging from aviation and maritime travel to agriculture, logistics, and emergency response. Whether you’re using it to find the quickest driving route, track a delivery, or guide a rescue mission, GPS has become an indispensable part of how the world moves and connects today.
Key Takeaways
GPS technology operates through a network of satellites and receivers, enabling accurate real-time location tracking in any weather condition.
Key features to consider in GPS trackers include accuracy, battery life, waterproofing, and SOS functionality, all of which improve user safety and reliability.
The future of GPS tracking technology promises even greater accuracy, improved battery efficiency, and expanded applications through the integration of AI and IoT.
Understanding GPS Technology

GPS, or the Global Positioning System, has become a fundamental part of modern technology, providing real-time location data with remarkable accuracy. This satellite-based navigation system functions reliably in all weather conditions, ensuring you can always pinpoint your position anywhere on Earth. GPS tracking works through a network of satellites that communicate with GPS receivers, which calculate precise positions based on the time it takes for signals to arrive. This interaction between satellites and receivers enables GPS trackers to deliver accurate and dependable location information.
The importance of GPS technology in today’s tracking systems cannot be overstated. It provides real-time location data that is vital for a wide range of applications, from personal navigation to fleet management. The ability to monitor and track in real time enhances both safety and efficiency, making GPS an indispensable tool in everyday life.
Let’s take a closer look at what GPS is, how it works, and the many ways it’s used across industries and daily activities.
What is GPS?
The Global Positioning System (GPS) is a worldwide navigation system that relies on a constellation of satellites to deliver accurate location information. The primary components of a GPS tracking unit include:
Satellites
Receivers
Control segments
These components work together seamlessly to provide precise positioning data. GPS devices play an essential role in various applications, from guiding drivers on the road to tracking lost pets.
A GPS tracking unit, often referred to as a GPS tracker, is a device used to monitor the location of an asset by leveraging the Global Navigation Satellite System (GNSS). These units are equipped with receivers that interpret signals from satellites to provide real-time location data. The technology behind GPS trackers is sophisticated yet user-friendly, allowing even non-tech-savvy individuals to benefit from its features.
GPS technology has revolutionized the way we navigate and track assets. Whether it’s a pet GPS tracker ensuring your furry friend’s safety or a vehicle tracker enhancing driver security, the applications are virtually endless. The ability to access real-time tracking information has made GPS technology an integral part of modern life, offering both convenience and peace of mind.
How GPS Works
At the core of GPS tracking is the principle of trilateration, which calculates a position based on the distance from three or more satellites. For accurate positioning, a GPS receiver must receive signals from at least four satellites to ensure the data is precise and reliable. This accuracy is crucial for applications that require exact location information, such as search and rescue operations or navigation through unfamiliar terrain.
The process begins when:
Satellites transmit signals that are received by the GPS receiver.
The receiver calculates its distance from each satellite based on the time it takes for the signals to arrive.
By combining this data, the receiver determines its precise location on Earth.
This method of using multiple satellites ensures that the location data provided by GPS devices is both accurate and dependable.
GPS technology’s ability to deliver real-time location data has made it indispensable across numerous fields. From personal navigation to tracking vehicles and pets, its applications are extensive. The accuracy and reliability of GPS data make it a vital tool for improving safety, efficiency, and connectivity in everyday life.
Applications of GPS Technology
GPS technology’s applications are vast and diverse, spanning sectors such as healthcare, logistics, and personal safety. In healthcare, accurate movement data is crucial for monitoring health conditions and ensuring patient safety. GPS tracking devices are increasingly customized to meet the specific needs of different industries, enhancing operational efficiency.
In logistics, GPS tracking plays a vital role in fleet management, ensuring goods are delivered efficiently and on time. Real-time tracking enables companies to optimize routes, reduce fuel consumption, and improve delivery times. This not only boosts operational performance but also contributes to significant cost savings.
Emerging applications of GPS technology include its use in autonomous vehicles, where precise location data is essential for safe navigation. Real-time tracking allows vehicles to navigate complex environments with accuracy and reliability. As GPS technology continues to advance, it unlocks new possibilities and innovations that enhance safety, efficiency, and convenience in everyday life.
Top GPS Trackers for Pets in 2025

Advancements in GPS tracking technology have made it easier than ever to ensure the safety and well-being of pets. By 2025, the market features numerous innovative pet GPS trackers equipped with real-time tracking, health monitoring, and long battery life. These devices provide peace of mind for pet owners, allowing them to monitor their pets’ activities and locations with ease.
Among the top GPS trackers for pets in 2025 are the Tractive GPS Tracker, Whistle GO Explore, and Fi Smart Dog Collar. Each device offers unique features tailored to different needs, ensuring that pet owners can select the best tracker for their furry companions. Below are details about these top-rated pet GPS trackers.
Tractive GPS Tracker
The Tractive GPS Tracker stands out as a reliable and user-friendly device designed specifically for pets. It offers unlimited-range tracking that functions effectively in areas with cellular coverage. With a subscription service, pet owners receive real-time updates about their pet’s location, ensuring they can track their furry friends wherever they go.
The Tractive GPS Tracker combines real-time tracking with activity monitoring, allowing pet owners to monitor their pets’ movements and overall health. This provides valuable insights into their well-being while maintaining ease of use through a simple setup and intuitive interface.
Overall, the Tractive GPS Tracker offers a dependable solution for ensuring pet safety and health. Its combination of real-time tracking and health monitoring makes it an essential tool for any pet owner.
Whistle GO Explore
Another leading pet GPS tracker is the Whistle GO Explore. This device includes a subscription service that enables unlimited tracking and provides valuable health insights for pet owners. With Whistle GO Explore, owners can monitor their pets’ activity levels and health status, ensuring they stay informed about their pets’ well-being.
The device’s real-time tracking capabilities allow pet owners to locate their pets instantly, even if they wander off. This feature is especially useful for keeping pets safe in busy or unfamiliar environments, and even supports indoor tracking, helping owners find their pets quickly when needed.
Overall, Whistle GO Explore combines advanced tracking and health monitoring, making it an indispensable tool for any pet owner.
Fi Smart Dog Collar
The Fi Smart Dog Collar offers highly accurate tracking capabilities, providing real-time location updates for pet owners. Designed for those who want to closely monitor their dog’s location and activity, the collar requires a subscription to access its full suite of tracking features, including live location updates and activity monitoring.
One of the standout features of the Fi Smart Dog Collar is its exceptional battery life. It can last for several months on a single charge, minimizing the need for frequent recharging and ensuring continuous, reliable tracking. This extended battery life is a major advantage for pet owners seeking a dependable and low-maintenance solution.
Overall, the Fi Smart Dog Collar delivers a comprehensive approach to tracking and monitoring dogs. Its combination of precise tracking and long battery life makes it an excellent choice for pet owners committed to their pets’ safety and well-being.
Best GPS Trackers for Kids in 2025

In today’s world, ensuring the safety of children is a top priority, and GPS trackers have become essential tools for parents. In 2025, several GPS trackers for kids stand out for their advanced features and reliability. These devices offer live location tracking, SOS buttons, and customizable alerts, giving parents peace of mind and added security.
The top GPS trackers for kids in 2025 include the AngelSense Kids’ GPS Tracker, Bark Watch, and Tack GPS Plus. Each device provides unique features tailored to meet the needs of both parents and children. Let’s take a closer look at these top-rated trackers.
AngelSense Kids' GPS Tracker
The AngelSense Kids’ GPS Tracker is widely regarded as one of the best GPS trackers for children due to its comprehensive features. This device provides constant location updates, ensuring parents are always aware of their child’s whereabouts. Its real-time tracking feature is especially valuable for ensuring safety in crowded or unfamiliar places.
One of AngelSense’s key features is its transit alerts and safe zone notifications, which alert parents when their child leaves a designated area or takes an unexpected route. This capability is invaluable for maintaining safety in various environments.
The device also includes robust emergency and recovery features. An integrated SOS button allows children to alert their parents in emergencies, while instant two-way communication with auto pick-up ensures parents can connect with their children immediately.
AngelSense plans start at $45, with an activation fee ranging from $19 to $59, depending on the plan selected. This pricing makes it an accessible and reliable option for families seeking to keep their children safe.
Bark Watch
The Bark Watch is another excellent GPS tracker for kids, offering robust social media monitoring alongside real-time GPS tracking for enhanced child safety. This device not only allows parents to track their child’s location but also monitors their social media activity, providing a comprehensive approach to protection.
Bark Watch also features crash alerts and speed limit notifications, further enhancing safety for children. These features promptly notify parents of potential risks, enabling quick responses to ensure their child’s well-being.
Tack GPS Plus
The Tack GPS Plus is a versatile GPS tracker that offers essential features such as:
GPS tracking
Wi-Fi and IoT connectivity
An SOS button
Safe zones
Location history
The device costs $60, with a monthly subscription priced under $10, making it an affordable option for many families. Despite the subscription fee, it remains a cost-effective choice for parents seeking reliable tracking.
One of the standout features of Tack GPS Plus is its emergency mode, which updates the location every 60 seconds to enable quick responses in critical situations. This feature is particularly valuable for ensuring children’s safety during emergencies.
However, the device lacks two-way talk functionality. Even so, Tack GPS Plus provides a 90-day location history and boasts a battery life of up to 30 days, making it a dependable choice for parents.
Key Features to Look for in a GPS Tracker

Several key features can significantly enhance the effectiveness of a GPS tracker:
Accuracy and reliability
Battery life
Waterproofing and durability
SOS buttons with alerts
These features ensure reliable and continuous tracking information, enhancing the safety and security of the tracked individual or pet while maintaining a sense of security and peace of mind.
Accuracy and Reliability
Precision and dependability are crucial in GPS tracking. The best trackers provide frequent location updates, ideally every minute or less, which is essential for safety. This ensures that the location data remains current, allowing for quick responses in case of emergencies.
Artificial intelligence (AI) and the Internet of Things (IoT) are further improving GPS tracking in several ways:
AI enhances accuracy and enables detailed data analysis for better operational insights.
IoT integration allows GPS trackers to monitor not only location but also vehicle health and performance metrics.
Together, these technologies enable predictive analytics that optimize performance and efficiency across various applications.
Battery Life
Battery life is a crucial factor when selecting a GPS tracker. A long-lasting battery minimizes the need for frequent recharging, ensuring continuous and reliable tracking. For example, the Fi Smart Dog Collar, known for its exceptional battery life, can last several months on a single charge. This feature is especially beneficial for users who want a dependable tracking solution without the inconvenience of constant recharging.
Fully charging the GPS tracker before use is essential for optimal performance. Regularly updating the device’s software can also improve its functionality and security. Together, these practices help maintain the tracker’s efficiency and reliability over time.
Waterproof and Durability
Waterproof and durable GPS trackers are essential, especially for pets frequently exposed to rain or water. These water-resistant devices are built to withstand rough handling and harsh environmental conditions, ensuring continuous and reliable tracking. Their durability guarantees that the tracker remains functional in various situations, providing accurate location data regardless of the conditions.
For pet owners, a waterproof GPS tracker ensures that their pets can still be tracked even when they get wet while playing or exploring. This feature offers peace of mind, knowing the tracker will continue to operate accurately despite exposure to water.
SOS Button and Alerts
SOS buttons and alerts are critical features for any GPS tracker, greatly enhancing safety and peace of mind. In emergencies, an SOS button sends immediate alerts to designated contacts, ensuring quick responses. This feature is invaluable for parents and pet owners who want to safeguard their loved ones.
Alert notifications allow users to respond promptly if their pet or child is in distress. For example, AngelSense sends alerts and offers:
Push notifications
Text updates
Email updates
These keep caregivers informed in real time. The combination of SOS buttons and alert features provides a comprehensive safety solution, enabling timely interventions in critical situations.
Regularly testing the SOS button and alert features is essential to ensure they function properly when needed. This practice helps maintain the tracker’s reliability and effectiveness, providing continuous safety and security for the tracked individual or pet.
How to Use GPS Trackers Effectively
Effectively using GPS trackers requires understanding how to optimize their setup and usage. Proper setup, creating safe zones, and monitoring alerts are vital steps for ensuring efficient tracker performance. These practices enhance the safety and security provided by the GPS tracker, ensuring it meets the user’s needs.
Setting Up Your GPS Tracker
Setting up a GPS tracker begins with downloading the corresponding app, such as the GPSWOX mobile app, which offers an intuitive interface and easy setup. Selecting the right app is essential for effectively tracking pets and children, ensuring optimal functionality.
After downloading the app, fully charge and activate the GPS tracker before connecting it to the mobile app. Creating an account with the manufacturer is often required to access real-time tracking features. This step is crucial for unlocking the tracker’s full capabilities and providing accurate, reliable location data.
Creating Safe Zones
Geofencing, or creating safe zones, is one of the most valuable GPS tracker features. It allows you to establish virtual boundaries that trigger alerts when a pet or child leaves a designated area. This ensures immediate notifications if your pet or child wanders off, enabling quick intervention.
Geofencing notifications can be customized based on detected movement, providing precise and tailored alerts that meet specific needs. Geofences can also be configured in different shapes and sizes, enhancing tracking flexibility.
Monitoring and Alerts
Effective GPS tracking relies on continuous monitoring and timely alerts. In emergencies, an SOS button can send immediate notifications to designated family members, increasing safety. This feature ensures that help can be summoned quickly, offering peace of mind for parents and pet owners.
Real-time monitoring reduces response time if a pet unexpectedly leaves a safe zone. Regularly updating the tracking app improves its performance and security, ensuring the GPS tracker functions optimally.
These practices help maintain the tracker’s effectiveness, ensuring continuous safety and security for the tracked individual or pet.
The Future of GPS Tracking Technology

The future of GPS tracking technology promises advancements in accuracy, battery efficiency, and expanded applications. The integration of AI and IoT is revolutionizing GPS tracking, enabling smarter, more responsive systems that adapt to user needs. These technological innovations enhance safety, convenience, and data-driven decision-making across multiple sectors.
Integration with AI and IoT
The convergence of GPS technology with IoT boosts operational efficiency by providing real-time data on location and environmental conditions. This integration enables smarter logistics and inventory management, optimizing performance while reducing costs. IoT-enabled GPS trackers deliver precise location information and environmental insights, supporting more intelligent management systems.
GPS-IoT integration also strengthens security through geofencing, alerting users when items move outside designated areas. This real-time data supports proactive decision-making in supply chain management, helping operations run smoothly and efficiently. The combination of GPS and IoT is poised to transform multiple industries, offering enhanced operational efficiency and greater security.
Improved Accuracy and Battery Efficiency
Recent innovations are focused on improving GPS accuracy and extending battery life in tracking devices. Multi-GNSS integration increases positioning accuracy by utilizing signals from multiple satellite systems. This advancement ensures that GPS trackers provide more reliable and precise location data, enhancing safety and performance.
Improved battery efficiency enables GPS devices to operate longer and more reliably across various conditions. These advancements make GPS trackers more energy-efficient, reducing the need for frequent recharging and ensuring uninterrupted tracking.
The future of GPS tracking technology is bright, with continued progress in accuracy, battery performance, and intelligent integration driving safer and more efficient tracking solutions.
Expanded Applications
The future of GPS tracking technology is promising, with predictions of expanded applications in health monitoring, pet tracking, and personal safety as innovation continues to advance. The integration of AI and IoT is poised to revolutionize GPS tracking, creating smarter, more responsive systems that adapt to user needs.
Ongoing technological advancements aim to increase GPS accuracy and battery efficiency, allowing devices to operate longer and more reliably across various conditions. These improvements boost safety, convenience, and data-driven decision-making across multiple sectors, ultimately improving the user experience.
The future of GPS tracking is bright, offering endless opportunities for innovation, efficiency, and enhanced connectivity.
Introducing Fonzi: The Future of AI Hiring
As we explore the advancements in GPS tracking technology, it’s also essential to recognize how AI is transforming other industries. Fonzi is a groundbreaking AI-driven recruitment platform that connects top-tier engineers with high-growth tech companies, facilitating fast and discreet hiring. By automating traditional hiring processes, Fonzi enhances efficiency, reduces costs, and accelerates the recruitment timeline.
Fonzi serves as a curated marketplace for elite engineers, allowing them to manage multiple job offers from leading tech firms. It supports both early-stage startups and large enterprises, ensuring companies find the right talent for their evolving needs.
What is Fonzi?
Fonzi is designed for elite engineers, including full stack, product, and AI specialists, looking to streamline the hiring process. Acting as a curated AI talent marketplace, Fonzi connects companies with pre-vetted engineers through its recurring hiring event, Match Day. Whether a company is making its first AI hire or its 10,000th, Fonzi simplifies the process by matching them with skilled, qualified talent.
How Fonzi Works
Fonzi utilizes AI to automate and optimize recruitment functions, matching companies with high-quality candidates quickly and effectively. Its AI-driven approach ensures the hiring process is fast, consistent, and scalable.
Each month, Fonzi hosts a Match Day event that:
Allows companies to make salary-backed offers to matched candidates within a focused timeframe.
Enables structured and fair evaluations.
Ensures transparency through built-in fraud detection and bias auditing.
These features distinguish Fonzi from traditional job boards and black-box AI tools.
Benefits of Using Fonzi
Fonzi improves the hiring experience by:
Providing access to pre-vetted, high-quality candidates.
Accelerating the recruitment process, with most hires completed within three weeks.
Improving both the speed and quality of hires through AI automation.
Ensuring transparency and reducing bias via standardized evaluations and clear candidate feedback.
By automating candidate screening and structuring evaluations, Fonzi creates a more efficient, equitable, and transparent hiring process, preserving the candidate experience while helping companies secure the best talent quickly.
Summary
In conclusion, GPS tracking technology has transformed the way we ensure safety and efficiency in our daily lives. From understanding how GPS works to exploring the best GPS trackers for pets and kids in 2025, this guide has provided a comprehensive overview of this remarkable innovation. Key features such as accuracy, battery life, waterproofing, and SOS functionality are essential when choosing the right GPS tracker. Effective use of these devices involves proper setup, creating safe zones, and monitoring alerts to maximize safety.
The future of GPS tracking promises exciting advancements through the integration of AI and IoT, offering improved accuracy, better battery efficiency, and expanded applications. Likewise, Fonzi is redefining AI hiring with a fast, consistent, and scalable approach that connects top-tier engineers with leading tech companies.
As we move forward, both GPS tracking technology and AI-powered platforms like Fonzi will continue to play pivotal roles in enhancing safety, efficiency, and innovation across industries.




