How does our unlimited car Wi-Fi work?

Whether you need internet access for navigation, or to provide entertainment for your passengers, Three’s 4G MiFi router is your simple car Wi-Fi solution.

Just charge it up and bring it with you next time you drive. You can connect multiple devices to our 4G mobile network and stay online throughout your journey.

No engineer or installation required

There’s nothing complicated about getting car Wi-Fi with our mobile Mi-Fi router. Just charge it up, place it somewhere safe in your vehicle, then turn it on to create a portable hotspot that can keep everyone connected.

Next working day delivery

Get your in-car internet right away, no waiting. Place your order before 8pm and we’ll deliver your MiFi router on the next working day.

Consistent, reliable broadband

Our MiFi router connects your car to the internet using our 4G network. Three’s 4G network has 99% UK outdoor population coverage, so you’ll be able to get car Wi-Fi almost anywhere you drive.

Truly portable Wi-Fi

Our Mi-Fi portable router is great for car Wi-Fi. But it also works in a caravan, in a tent, on a boat – you can use it to create an internet hotspot anywhere you can connect to our 4G network.

4G MiFi — Our best Wi-Fi router for cars

Create a portable internet connection in your car that can get multiple users online wherever there’s a 4G mobile signal.

  • Pocket-sized router
  • Supports multiple Wi-Fi enabled devices
  • Battery lasts up to 9 hours
  • Ideal to use in your car

Home Broadband

Get lightning-fast internet in your home or workplace with our 4G and 5G unlimited Home Broadband deals. No landline. No engineer. No waiting.

Already have a mobile Wi-Fi dongle?

If you don’t want to buy a new device, you can connect to Three’s super-fast network and get online using our Data Only SIMs.

Pay As You Go Data SIM

Our Pay As You Go SIMs offer you the ultimate flexibility, so you can control your spend and get online when you need to.

Pay Monthly Data SIM

Connect your tablet or other mobile broadband device to the internet through our network on a Data SIM Only contract.

Tablets and laptops

Explore our range of Pay Monthly tablet and laptop contracts to be productive or enjoy some downtime wherever you travel.

Image of a couple enjoying a takeaway and a movie.

Why Three Mobile Broadband?

Ideal for remote working

With 99% UK outdoor coverage on 4G, our mobile Mi-Fi router can keep you connected almost anywhere you go.

Great deals and contract lengths

With 1-month, 12-month and 24-month deals – as well as 6 months' half price on 12-and 24-month select Unlimited Data plans – you can choose what works best for you.

Connect up to 30 devices

You can connect up to 30 devices to your Mi-Fi, although to get the best speeds, around 10 is ideal. And that’s plenty for getting you and all your passengers online while you drive.

Long-lasting, portable design

Weighing in at 105g and almost the same size as most popular handsets, our MiFi mobile router is designed for easy portability — and it keeps its charge for up to 9 hours.

Image of kids playing in the garden with water.

How to get Wi-Fi in your motorhome or caravan

Our Mi-Fi portable router isn’t just great for your car, it’s perfect for creating a mobile hotspot in caravans too.

Enjoy exclusive offers with Three+

Download our rewards app today to get amazing offers on brands you love, like Caffè Nero, Cineworld, Uber Eats, and more.

Frequently asked questions

Our 4G MiFi is one of the best ways to get internet in your car. With its reliable 4G connectivity, and the ability to connect multiple devices – to keep everyone in the vehicle happy –  it will help you stay online while you’re on the move. It’s about the same size as your phone and works for up to 9 hours on one charge.

Mobile car Wi-Fi routers require a SIM card and a data plan to pick up a signal. At Three, we offer flexible data plans that allow you to choose between 10GB, 40GB, and unlimited data allowances. If you already have a Wi-Fi enabled device, you can get online using our Pay As You Go Data Only SIMs and Pay Monthly Data Only SIMs.

The cost of our mobile car Wi-Fi will depend on your chosen plan. We offer 1-month, 12-month, and 24-month contracts with a range of data allowances to suit you. 

Our 24-month Pay Monthly plans come with no upfront costs. If you’re getting 4G MiFi on 1-month, 12-month, or on a Pay As You Go contract, you’ll need to pay an upfront fee.

Our mobile car Wi-Fi connects to our 4G network using a SIM card, just like your mobile phone. It then transmits the signal to multiple devices, becoming a Wi-Fi hotspot that enables internet access for your phone, laptop, or tablet. 

Setting up our portable car Wi-Fi is a breeze. Simply insert the SIM card and battery, charge it up, and then take it with you on the road.

Our mobile car Wi-Fi is the ideal solution if you’re looking for a way to stay connected on the road. It can provide entertainment for your passengers, keep kids occupied during long journeys, and enables any driving apps and tools you use while you drive.  

Yes, you can add Wi-Fi to all cars and other types of vehicles by using our portable car Wi-Fi router. You just bring it with you when you travel. There’s no installation needed.

No, your car doesn’t need to be running when using Three’s portable car Wi-Fi device. Simply charge MiFi before your journey and take it with you to enjoy connectivity.

Why Choose Three?

Based on analysis by Ookla® of Speedtest Intelligence® data for Q3-Q4 2023. Ookla trademarks used under license and reprinted with permission.