Vodafone GigaCube review: unlimited home broadband with no fibre needed
By Tom HartleyFigures checked 20 July 2026
The GigaCube is a plug-in router that turns Vodafone's 4G and 5G signal into home WiFi, with no landline and no engineer. If a decent Vodafone signal reaches your address, it does what a fixed line does without the fixed line, and the 30-day money-back guarantee lets you prove that at your own address before you commit.
- ✓ 30-day money-back
- ✓ No landline
- ✓ No engineer visit
- ✓ Unlimited data option
The figures that decide it
| Price from | £20 a month, unlimited data |
|---|---|
| Typical speed, 4G | 30 to 90 Mbps |
| Typical speed, 5G | 150 to 200 Mbps where covered |
| Contract | 30-day rolling or 24-month |
| Upfront | £0 to £15 depending on term |
| Setup | Plug in, live in minutes |
| Devices | Up to 64 at once |
| Guarantee | 30-day money-back |
Who it suits, and who should look elsewhere
A good fit if
- You have no fibre and a usable Vodafone signal indoors.
- You want unlimited data without a two-year lock-in.
- You are near a town where 5G reaches you.
- You need something working today, not a rollout date.
Look elsewhere if
- Vodafone's coverage map is thin at your postcode. EE's rural 4G reaches further.
- You upload large files for a living. Mobile uploads stay modest.
- No mobile network reaches you at all. That is a satellite job.
The verdict in full
The GigaCube does one thing and does it cleanly. A SIM sits inside the router, the router puts out home WiFi, and nothing is dug up or wired in. For a house that fibre has skipped, that is the whole appeal: broadband that arrives by post and works the same afternoon.
Speed depends on the signal, not the sticker. On 4G, plan around 30 to 90 Mbps, comfortably enough for several streams and video calls at once. Where 5G reaches you, usually in and around larger towns, Vodafone averages 150 to 200 Mbps, which competes with a mid-tier fibre line. The honest variable is where the router sits: a windowsill facing the mast beats a better tariff every time.
Coverage is also the one place Vodafone is beaten. Deep in the countryside, EE's 4G footprint reaches further, which is why we send you to check the map before buying rather than after. But near a town, with 5G in range, the GigaCube is the better-value option of the two.
At around £20 a month for unlimited data, it sits below what most fibre replacements cost, and the 30-day money-back window removes the usual risk of buying broadband you cannot test first. That guarantee is the reason this is a low-stakes thing to try.
What you are actually getting
Unlimited data with no fair-use cap
The headline plan carries unlimited data, so a busy household that streams, works from home and games never hits a monthly limit.
5G speed where the town reaches you
On 5G, 150 to 200 Mbps average is fibre-class. Coverage follows population density, so check it first, but the upside is large when it lands.
Set up in minutes, by anyone
Plug the router into power, wait for the lights, connect. No engineer appointment, no phone socket, no waiting window.
A 30-day exit if it disappoints
Vodafone's money-back guarantee means the signal proves itself at your address, not on a coverage map. If it underperforms, you return it.
Full specifications
| Networks | Vodafone 4G and 5G |
|---|---|
| Data allowance | Unlimited (capped plans also sold) |
| Download, 4G | 30 to 90 Mbps typical |
| Download, 5G | 150 to 200 Mbps average in coverage |
| Upload | 10 to 30 Mbps typical |
| Connected devices | Up to 64 |
| Landline needed | No |
| Installation | Self-install, plug and play |
| Contract terms | 30-day rolling or 24-month |
| Upfront cost | £0 to £15 depending on term |
| Money-back window | 30 days |
Pros and cons
In its favour
- Unlimited data from about £20 a month.
- Fibre-class speed on 5G where covered.
- 30-day money-back removes the buying risk.
- Live the same day, no engineer, no landline.
- Short-contract option, not just 24 months.
Against it
- Rural 4G reach trails EE. Check the map first.
- 5G is town-led, so many notspots get 4G only.
- Uploads are modest next to true fibre.
The lowest-risk way to find out
We do not run invented star ratings here. What takes the risk out is Vodafone's own 30-day money-back guarantee: order it, test the signal where the router will actually sit, and send it back inside the window if it underperforms. The coverage check below costs nothing and takes a minute.
Common questions
Do I need a phone line for the GigaCube?
No. The router uses Vodafone's mobile signal, so there is no landline and no line rental. It works anywhere the signal reaches.
Is the data really unlimited?
The headline plan carries unlimited data with no monthly cap. Vodafone also sells capped plans, so make sure you pick the unlimited option if that is what you want.
How fast is it in practice?
On 4G, expect 30 to 90 Mbps. On 5G, where it reaches you, Vodafone averages 150 to 200 Mbps. The signal at the router decides the result more than the plan does.
What if the signal is poor at my address?
Use the 30-day money-back guarantee. Test the router where it will actually sit, and return it inside the window if the speed disappoints. If Vodafone's map already looks thin, EE's rural 4G may reach further.
Can I avoid a long contract?
Yes. Alongside the 24-month deal there is a 30-day rolling option, which costs a little more each month but leaves you free to switch.
On a tighter budget? The Three 4G Hub is cheaper, if its thinner coverage reaches you. See how the networks stack up for 4G home broadband and 5G home broadband. If no mobile network reaches you, start with the full no-fibre guide.