Which 4G unlimited Internet key to choose?

To get Unlimited 4G Internet Wherever you go, you need two things: a portable 4G router and one unlimited data SIM plan.

In September 2026, the best combination is still a router like the TP-Link M7200 where the Netgear Nighthawk M1, with a SIM card Free Where SFR.

A useful clarification right from the start: a real 4G dongle is a USB dongle that plugs into a computer. A portable 4G router, on the other hand, fits in your pocket and shares the 4G network via Wi-Fi with multiple devices (smartphone, tablet, PC, smart TV).

It is this second type of device that dominates the market today, as USB flash drives have virtually disappeared. The unlimited does not come from the device itself, but from the subscription plan through your service provider.

What is a 4G dongle, and how does it work?

A 4G dongle is a small device that lets you access the internet via the 4G mobile network. You insert a SIM card into it, and the device creates a Wi-Fi hotspot. You can then connect your computer, tablet, or smartphone to this Wi-Fi network.

There are two types of devices, depending on your needs:

• The USB dongle : Plugs directly into a computer. Easy to use, but limited to a single device. This model is becoming increasingly rare.
• The Portable 4G Router : Fits in your pocket and shares an internet connection with multiple devices via Wi-Fi. It's the most widely used solution today.

In both cases, unlimited Internet access depends solely on the mobile package from your SIM card, not from the device itself.

4G Dongle vs. Tethering vs. 4G Router: What Are the Differences?

Before buying any equipment, here are the three options available for connecting to the internet on the go.

• The 4G dongle or portable 4G router : A small device with a SIM card. You slip it into your pocket, and it creates a Wi-Fi network. Perfect for frequent travelers.
• Internet Sharing (Hotspot) : You use your smartphone as a 4G router. It's free, but it drains the battery quickly. Handy for occasional use.
• The 4G Home Router : Same principle, but designed for stationary use at home, with a more powerful antenna. Less portable.

To enjoy internet access anywhere without relying on your smartphone, a 4G dongle or portable router is still the best choice.

How to Use a 4G Dongle: A 3-Step Setup Guide

Using a 4G dongle or a portable 4G router is very easy. Here's how to connect to the internet in just a few minutes.

1. Buy a SIM card with a data plan : Choose a cell phone plan from a carrier (Free, SFR, Bouygues Telecom, Orange). Make sure the SIM card is compatible with your device (standard, micro, or nano SIM).
2. Insert the SIM card into the 4G router : Open the SIM card tray, insert your SIM card, and then close the device.
3. Turn on and log in : Turn on the 4G router, find the name of the Wi-Fi network created on your computer, tablet, or smartphone, and then enter the password shown on the device. The Internet connection will work right away.

Some 4G routers also offer a mobile app that lets you manage your connection, check your data usage, or access the settings menu from your smartphone.

4G Data Plans: Which Carrier Should You Choose?

None of these carriers sell their own 4G routers. You buy your own device, then insert their SIM card, and you can use their mobile network to connect to the internet anywhere in mainland France.

Depending on the plan you choose, your 4G connection may also cover several destinations abroad. You can even watch live TV from your mobile connection, if your data speed allows it.

Free

Free does not offer equipment, but its mobile package It works perfectly as a 4G router. Just insert the SIM card into your device, and your internet connection will work right away, without obligation.

The standard is the Flat rate Free 5G+, posted at €19.99 per month with a fixed rate through 2027.

If you're a subscriber Freebox Pop, he falls to €9.99 per month with no time limit. For the others Freebox, It is 9,99 € for one year, then €15.99 per month.

You get a very large data allowance in 4G and 5G, with unlimited calls, text messages, and MMS, plus data that can be used abroad in dozens of destinations.

It's worth noting, however:

The Package Free 5G+ is not unlimited in the strict sense; it includes 350 GB per month.

If you want a truly unlimited plan with no caps, Free also offers the Package Free Max at 29,99 € per month (19,99 € for subscribers Freebox), with unlimited data in France and in more than 140 destinations.

For office use, light streaming, or tablet use, this plan is more than enough. Signing up with no commitment is a real advantage if you want to test the 4G connection before committing to a long-term plan.

SFR

SFR is, along with Free, one of only two operators in metropolitan France to offer a real package deal with data unlimited, with no usage limit.

Just like at Free, take the SIM card and insert it into your compatible 4G router.

Please note: Offers and terms change regularly. Before signing up, check the official website to confirm the data allowance, whether there is a speed limit, and if a minimum contract term applies to the plan.

Depending on the plan you choose, you can also access the chains SFR TV from the mobile app and the network SFR Wi-Fi included.

Bouygues Telecom

Bouygues Telecom offers several mobile plans with large data allowances that can be used with a 4G router.

Offers Bouygues Telecom are a good option if you're in an area with good coverage on their mobile network.

Data speeds are fast, and network coverage is good in mainland France. Check out their website to compare available plans and choose one based on your monthly usage.

Orange

Orange is known for the quality of its 4G network coverage in France, including in rural areas. It's the best option if you use your 4G dongle in places where other carriers don't provide as good coverage.

Packages Orange are often more expensive, but the internet speeds and connection stability justify the cost for certain business uses.

In practice, choosing the right one among these providers depends mainly on your monthly consumption and the areas with cell service coverage where you plan to use your device.

If you have kids at home, keep in mind that with a shared connection, you can easily Check what your kids are doing online thanks to the available parental control tools.

A 4G dongle with no subscription and no contract: Is that possible?

Yes, it's entirely possible to use a 4G data plan without a contract. Most major carriers offer mobile plans without a monthly contract. You sign up, use the service, and cancel whenever you want.

Here are the options based on your needs:

• No-Commitment Plan With Free, SFR, Bouygues Telecom, or Orange: you pay month by month, with no minimum contract term. It’s the most flexible way to enjoy internet access anywhere without any restrictions.
• Prepaid SIM card : You buy data add-ons based on your usage. This is useful for occasional use, such as when traveling in metropolitan France.
• Internet Sharing From your smartphone: free if your mobile plan allows it, but limited by your phone's battery life.

If you want to try out a 4G connection before committing, start with a no-contract plan. You can then choose a plan that better suits your actual usage.

The 2 Best Portable 4G Routers for Your Unlimited SIM Card

The two models below broadcast a Wi-Fi connection anywhere around you, using a SIM card inserted into the device.

It’s the most reliable way to access the Internet on the go—whether on a computer, tablet, or smartphone—including for accessing Internet on the Switch on the road.

the TP-Link M7200

This portable 4G router gives you internet access wherever you are, with no software to install. The The data rate increases from 50 to 150 Mbps, which is more than enough to stream a movie in HD or download large files to your computer, tablet, or smartphone.

• 10 devices connected simultaneously via Wi-Fi
• Battery life of approximately 8 hours thanks to the built-in battery
• Compatible with all French operators (micro-SIM card, or nano-SIM card with the included adapter)
• Stable 4G connection, with no device-related commitment
• Price: approximately €55 to €85

It's easy to use:

Insert your unlimited data SIM card, turn on the device, and connect. No further setup is required. It’s one of the most affordable 4G routers on the market for everyday use. You can slip it into your pocket and take it anywhere.

the Netgear Nighthawk M1 MR1100

This high-end portable 4G router costs more, but it delivers on its promises, even during heavy use on the go.

• 20 devices connected at the same time
• Compatible with Wi-Fi 5 (802.11ac) dual-band 2.4 GHz / 5 GHz, with a micro-SIM card
• Internet connection in stable broadband anywhere, with no hardware requirements
• Access the management dashboard via the mobile app
• Price: approximately €200 to €300

the M1 (MR1100) is a model released in 2017, which has since been replaced by the Nighthawk M2, M5 and M6 (the latter moving to the 5G). If you travel a lot and need a constant 4G connection, you might want to check out a newer model in the lineup.

However, the M1 remains an excellent used 4G router for everyday use, compatible with a SIM card from any French carrier.

How do I choose a 4G dongle and a cell phone plan?

Here are the factors to consider before buying a 4G router and signing up for a mobile plan.

The number of devices to connect

If you're the only one logged in on a computer or tablet, a 4G router entry-level models such as the TP-Link M7200 That's enough.

If you want to share your internet connection with multiple devices at the same time (for example, when your family is traveling), look for a more powerful model like the Netgear Nighthawk.

Network coverage in the areas where you use your device

Before signing up, check the 4G network coverage for each carrier in the areas where you plan to use your 4G dongle. Each carrier provides a coverage map on its website.

Orange and SFR generally provide better coverage in rural areas, whereas Free and Bouygues Telecom have good data speeds in urban areas.

Your monthly data usage

Light office use (email, web browsing) consumes less than 5 GB per month. Mixed use with video streaming may exceed 50 GB per month.

If you rely on your internet connection as your only means of access at home, a plan with a large data allowance—or even unlimited data—is essential.

The budget: device and service plan

An entry-level portable 4G router costs between 40 and 80 €. A high-end model exceeds the 200 €. On top of that, there's the mobile plan, starting at €9.99 per month at Free (subscriber Freebox).

If you buy used, you can get good value for your money, especially on the Netgear Nighthawk.

Frequently Asked Questions

Does a 4G dongle work with any SIM card?

Yes, as long as the SIM card is compatible with your device's SIM size (standard, micro, or nano SIM).

Most 4G routers sold in mainland France are unlocked and compatible with all carriers (Free, SFR, Orange, Bouygues Telecom). Be sure to check the technical specifications before buying.

Can a 4G dongle be used as the sole internet connection at home?

Yes, that's possible if you have good 4G coverage at your address. Speeds may exceed 100 Mbps 4G, which is enough for streaming, working from home, or watching TV. For heavy use, opt for a fixed 4G router, which is more stable and has a better antenna.

Does a 4G dongle use a lot of data?

The 4G dongle itself does not use any data. It is the devices you connect to it that use your data. Check your data usage in your carrier’s customer portal or through the mobile app for managing your 4G router.

Is it possible to connect to the internet abroad using a 4G dongle?

Yes, if your cell phone plan includes a data allowance for use abroad. For example, the plan Free 5G+ includes several gigabytes of data that can be used in many destinations.

Beyond the included data allowance, speeds may be reduced or additional charges may apply depending on your region and the terms of your subscription.

What is the difference between a 4G dongle and a Wi-Fi hotspot?

A Wi-Fi hotspot is simply a shared Wi-Fi internet access point. A 4G dongle or a portable 4G router creates a Wi-Fi hotspot using the 4G mobile network.

Your smartphone can also create a hotspot, but a dedicated 4G dongle is more stable, doesn't drain your phone's battery, and lets you connect more devices at the same time.