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Mobile broadband with unlimited data is a very popular alternative to fibre broadband offering competitive speeds, portability, and the option to sign up for short-term contracts. A range of devices are available including Mobile Wi-Fi dongles, Routers and USB-dongles.
EE, O2, Three, Vodafone and National Broadband all currently offer unlimited mobile broadband plans in the UK. It’s worth comparing mobile coverage to find out which networks have good service in your area.
Yes, unlimited mobile broadband on all UK networks offers truly unlimited data without speed restrictions or usage limits. Networks do have fair usage policies, but these won’t be hit by genuine personal users and are only meant to target large-scale commercial use with huge data consumption.
However, when roaming abroad usage limits do apply.
|
Network |
Roaming included |
Roaming limits |
|---|---|---|
|
EE |
No |
N/A |
|
O2 |
40+ European destinations |
25GB per month |
|
Three |
No |
N/A |
|
Vodafone |
Republic of Ireland, Isle of Man, Iceland and Norway |
25GB per month |
Mobile broadband speeds vary based on coverage and across the different UK mobile networks. However, in a lot of cases they now deliver speeds that can rival fibre broadband.
|
Network |
Average 5G Download Speed (Mbps) |
Average 5G Upload speed (Mbps) |
|---|---|---|
|
EE |
92.2 |
16.0 |
|
O2 |
89.9 |
11.0 |
|
Three |
187.0 |
20.2 |
|
Vodafone |
130.9 |
14.1 |
Based on the Mobile Network Experience report from OFCOM in January 2026 average speeds delivered over 5G were 100Mbps. If you live in an area with widespread 5G coverage you can expect significantly higher speeds than that.
Should you find you aren’t happy with the performance of your device when it arrives you can send it back within 30-days and get your money-back.
There are 3 main types of mobile broadband devices, which are Mobile Wi-Fi dongles, Routers and USB-dongles.
|
Product |
Powered-by |
Strengths |
|---|---|---|
|
Mobile Wi-Fi dongle |
Battery |
Portable and delivers device to multiple devices over Wi-Fi |
|
5G/4G Router |
Mains-powered |
Powers a wider area and can be used anywhere with mains-power. |
|
USB-dongle |
Laptop USB-port |
Extremely portable and perfect for using on a single MAC or laptop. |
As a rule, a 5G or 4G router is the best choice if you are looking for an alternative to fibre-broadband. They deliver the widest household Wi-Fi coverage and can be hooked up to external antennas to improve coverage and speed.
Mobile Wi-Fi is great if you are looking for something portable to take on the move that can connect to multiple devices, but if you are looking for coverage across a wider area they can struggle.
Finally, a USB-dongle are often the most affordable devices that are perfect if you want to use a laptop or Macbook on the move.