The Fi Series 3 Collar: An Enhanced Tracking System

Fi is known for its superior GPS collars. Now, they've released the Series 3 collar; it comes with elevated capabilities from their previous models. If you have an older Fi model or another brand, you may wonder what makes this device stand out from the rest. In this Fi collar review, you'll learn how the Series 3 differs from the Series 2 and the incredible benefits of making this Fi GPS collar the tracking system for your canine.person with dog looking at gps

How GPS Dog Collars Work

As the popularity of pet GPS collars continues to grow, as a dog owner, you may wonder how these devices work. GPS dog collars use the same technology as car navigation systems. A small transmitter is attached to the collar and sends signals to a receiver that the pet owner carries. The receiver uses these signals to determine the location of the pet.

These dog collars are a great way to keep track of your pet's whereabouts and ensure their safety because GPS dog collars are accurate and can track a pet's location in real time. This is especially useful for pets prone to running off or getting lost. GPS dog collars can also be used to create virtual fences. You'll be immediately notified if they happen to wander outside that designated zone. Knowing that you can find your four-legged friend if they ever get lost gives you peace of mind.

As these collars gain popularity, many brands offer similar products on the market. If you aren't familiar with GPS collars, it's important to know what to look for when choosing the best product for your dog.

How to Choose the Right GPS Dog Collar for Your Pet

There are many different types of GPS dog collars on the market, and selecting the right one for your pet can take time and effort. 

Make sure to choose a GPS dog collar that is the right size for your pet. The collar should be comfortable and not too tight.

Choose a GPS dog collar with a long battery life, so you don't have to worry about recharging it often.

If you live in an area with a lot of rain or snow, choose a waterproof GPS dog collar so your pet can still wear it in the wet weather.Fi 3 red and black collar

The Fi Series 2 vs. Fi Series 3

While both of the Fi series options can provide you with one of the best GPS tracking abilities for your dog, the Series 3 outshines the previous model. The Series 3 is about half the size of the last model, making it much easier for your dog to wear with less potential for discomfort.

Fi says the Series 3 can also withstand over 50 percent more pull force, enhancing the overall durability of the collar. This helps protect your dog's location, even if they tug, scratch, or pull on their collar. 

The Series 2 has four collar options, but the Series 3 comes with eight unique styles and colors to help set your dog apart from the rest. Even though the previous model had excellent GPS coverage, the Series 3 has 40 percent more coverage, using positioning satellites to help track your dog's location. The Series 3 also has additional sizing options, making it a great fit for just about any dog. 

Why Do You Need to Upgrade?

Even though it may seem like most GPS collars come with similar features, only some collars are made with the same quality or have the same services. The Fi Series 3 model is enhanced to offer you and your pet the best GPS tracking system. 

Older GPS collars are bulky, oversized, and uncomfortable for your dog. The Fi Series 3 dog collar resembles a traditional collar and offers your dog a discreet GPS accessory. 

As technology advances, GPS capabilities do, too. Just one more reason upgrading your dog's collar is beneficial. 

Series 3

by Fi 

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How Safe is Fi?

The Fi dog collar is a safe way to track your canine. The collar consists of a simple strap and buckle, like many non-GPS collars. You can use this collar in various weather conditions and terrain without compromising its quality or functions. 

fi 2 gps collar blue


The Fi Series 3 includes a unique combination of features that set it apart from other models on the market.


Fi is the first collar company to incorporate LTE-M lo-power, a long-distance cellular network, into their dog collar. The LTE-M signal is more accurate than standard cellular networks and can provide up to 30 percent more coverage. 


If you take your dog hiking or camping, chances are you'll see a body of water along the way. With the Fi dog collar, your dog can jump into a lake or pond without worrying about damaging the GPS function. The collar can also be worn in wet weather conditions, such as rain or snow, without damaging the device. The Fi Series 3 is both IP68 & IP66K certified and tested by the highest standards. 

Escape Detection

The Fi Series 3 doesn't just track your dog; it also alerts you as soon as it detects your dog has escaped their boundaries. This feature allows you real-time access to your dog's location and reduces the time it takes to find them. The first few minutes are crucial when a dog escapes, and not knowing the exact direction they take can make it challenging to find them.

Fi is with you every step of the way, starting from the beginning. You don't have to question when your dog escapes, where they're headed, or how far away they are. The Fi app provides all the information you need to find your dog. 

More Effective Than an Airtag

Airtags have recently gained popularity as one of the best GPS tools on the market. The Fi Series 3 dog collar outperforms these devices because this collar still functions, even when an iPhone isn't around. The LTE-M service allows for easy tracking, no matter how far away your dog travels. 

Sleep Tracking

Sleeping tracking is a new feature for the Fi brand. Fi understands the importance of your dog's sleep, which directly affects their overall health. There are many reasons why a dog may have sleep disturbances, such as hyper-reactivity, separation anxiety, health issues, hunger, or discomfort. It's easy for poor sleeping habits to go unnoticed, especially if your dog doesn't sleep in the same room as you.

While your dog's sleep may not seem significant, it's essential to monitor how much sleep they're getting to help maintain their long-term health. Sleep tracking breaks down their sleep time into different categories, so you can see how much they're resting, napping, and sleeping on a daily basis. Each dog has different sleep needs, so this tracking can help you make sure you're taking the best care of your pet.

Malena DeMartini, Author of Separation Anxiety in Dogs: Next Generation Treatment Protocols and Practices, talks about one of the reasons why a dog may have trouble sleeping throughout the day. She says that dogs who experience separation anxiety may have trouble sleeping and experience higher levels of fear when away from their owners. These behaviors can manifest in many ways, interfering with their sleep, activity levels, and how often they cause trouble around the home.

fi 2 in box yellow

Activity Tracking

A dog must stay active to sustain their health. If your dog lives a sedentary lifestyle, monitoring how much daily activity they receive is essential. The Fi app activity monitor has a step tracker to keep track of the number of steps your dog takes per day.

By monitoring their activity levels, you can know when to adjust or when to give your dog a much-needed break. Inside the app, you can also compare your dog's activity to other dogs within the same size or breed. From there, you can decide if your dog is getting adequate exercise or if you need to adjust their daily activities. 

Most dogs require at least 30 minutes of moderate exercise daily. If your dog is fit and energetic, they may require up to two hours of exercise daily. A brisk walk around the neighborhood or a game of fetch at the park could suffice, and this collar can help you monitor.

Multi-Dog Monitoring

If you have multiple dogs, the Fi app allows you to add them to the monitoring system. So, even if one dog is in the yard and the other is at the dog park, you can access their locations simultaneously. If both dogs ever escape, there's no telling whether or not they'll stay by each other's side. The multi-dog feature allows you to track multiple dogs on the loose, even if they aren't in the same location.

If you have multiple family members that take care of your dogs, you can add them as users, and they can track stats from their phones. If your dogs ever escape, having this feature allows you to have multiple people tracking locations and allows for a better success rate in finding them.

Access in Remote Areas

You can use the Fi smart dog collar in remote areas because it uses an LTE-M signal to send your dog's location to your app. The LTE-M signal reaches further than other dog-tracking collar brands and has access to a broader range of networks. While certain areas have little to no service, Fi offers you the best option for maintaining a signal in remote areas. 

Sizing Options

You can choose between five sizing options for your Fi smart collar. No matter the dog breed, size, or weight of your canine friend, you should be able to find a collar that fits. 

  • X Small – 9.75" – 11"

  • Small – 10.5" – 12.5"

  • Medium – 12.25" – 15.5"

  • Large – 14.75" – 20.5"

  • X Large – 19.75" – 30.5"

Unlimited Software Updates

The Fi collar is built to last and has unlimited software updates to help secure and enhance its capabilities over time. You'll receive all of the fantastic upgrades straight to your dog's collar, no matter how long you have it. GPS Gi 3 up close

Fi Subscription Cost

To use the Fi Series 3 collar, a subscription is required. The service allows you to use the LTE-M signal and GPS capabilities. There are no subscription tiers, so you will receive all the benefits of the dog tracking collar and Fi app at a single cost.

You can choose to pay monthly or purchase one of their bundle packages. The month-to-month option costs $19, and the six-month package brings the monthly cost down to $17. You can also choose between the one-year package for $16 per month, but the best deal is the two-year package for $14 per month. 

Can You Use Fi Without a Subscription?

The Fi services don't operate without an active subscription. If you wish to use the device for its complete functions, purchasing a subscription is necessary, as it pays for the signal and tracking services provided by the device. 

Certified Fi Smart Collar Review

The Fi Series 3 collar has received rave reviews since its release. Customers have enjoyed the long battery life, reliable signal, and quick turnaround when locating a lost dog. Each Fi smart collar review is found on

These are just a few of the 5-star reviews that will make you ready to sign on:

"I just experienced a three-dog jailbreak. And they had at least a fifteen-minute head start on me. They escaped through three open doors-a massive failure on my part. I grabbed my phone and opened Fi, and initiated Lost Dog Mode. Immediately I knew which direction to head. I was amazed at how far they'd gotten. Only our Husky had a pet tracker, but the other two were behind her. Within minutes I had them in sight. I got a hold of the Beagles right away. The Husky decided to play games. Fortunately, she was distracted by another dog down in the campground they were roaming around in (and oh yea, they went for a lake swim, too). With Husky in hand, we headed home for treats. Fi never hiccupped once. I had immediate location updates, even with very hilly terrain and trees. Fi proved itself today!" – Christopher G. from

"The Fi collar uses GPS while Apple Airtags require an iPhone to be around to locate your dog. I have the Fi Smart Collar on my hound mix, and I like it. The battery life is pretty great; we get 2-4 weeks out of it, depending on what we're doing. Our daycare takes off all collars, so it's not very useful for our daycare, but it's great for everything else." – 3llybean from

"So fun! Love @fi.dogs; it saved me again just today when my (4-day post-spay surgery) husky decided she had enough rest and needed a run! Found her in less than 2 mins with her Fi! Could have taken much longer and possibly injured her healing area if it wasn't for her Fi Collar" -Nicole S. from

Vet Approved

Your dog's health and safety are a priority. Not only are customers satisfied with Fi, it's also vet-approved.

"As a practicing veterinarian for over 35 years, I've always searched for ways to keep my patients safe and healthy. With Fi, pet parents are held accountable for their pup's exercise routine. They can set individual activity goals to ensure your dog stays in good physical health." – Veterinarian Dr. Jeff and black gps fi 3 collar

Is the Fi Series 3 Worth the Money?

Each Fi smart dog collar costs $102.00, a one-time $20 activation fee, and a monthly subscription. The price is very competitive with other varieties on the market and contains all the valuable features needed to keep your dog safe. 

When looking at the initial cost and comparing it to all of the added features, it's safe to say that the Fi Series 3 is definitely worth the money. You receive a GPS tracker that can track your dog's sleep pattern, provide escape alerts, offer a wide range of coverage, and withstand lakes, rivers, or rough terrain without damaging the device.

The collar is also much smaller than other GPS devices, making it a simple and easy way to keep track of your dog without having them try to take it off or become agitated because of discomfort. With all of these fantastic features, the price for this collar is very reasonable. 

Upgrade Your Coverage

Now that you've learned about all the key features of the Fi Series 3, upgrading your GPS tracker is a no-brainer. You don't have to settle for a device that loses its signal when you're out on hiking or camping trips; the Series 3 allows for a steady and reliable connection. Through the app, tracking your dog's activity and sleep is also essential for maintaining their health, saving you time and money at the vet in the long run. If you're a dog owner looking for a collar upgrade and extra security, there's no better option than the Fi Series 3. 

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