Mobile Broadband in Portsmouth
Silux Mobile is a mobile broadband provider and fast internet provider in Portsmouth, with 4G and 5G home broadband from £15.95/month and the router included. No landline, no engineer, no setup fee. Works in any property with Three, O2 or Vodafone signal across Hampshire.
Mobile broadband provider in Portsmouth — Silux Mobile uses Three's 5G and 4G network to deliver internet to your home or office without a phone line. As a Portsmouth broadband provider with no landline, we're perfect for renters and anyone who wants internet on their own terms — pick a plan from 1 month rolling to 36 months and take it with you if you move. Plug in the SIM, connect your devices — done.
Mobile Broadband in Portsmouth — Key Benefits
No Landline Needed
Works in any Portsmouth property — flats, rented houses, shared homes. No BT line required.
No Engineer Visit
No waiting weeks for an engineer. Free Royal Mail Tracked 48 delivery (2–3 working days), or faster at checkout. Broadband in Portsmouth the day it arrives.
You Pick The Term
From 1 month rolling to 36 months — and it moves with you around Portsmouth, which suits rented accommodation.
Three 5G Network
Three's 5G covers most of Portsmouth city centre and is expanding across Hampshire.
The Silux Mobile Promise
No price increases
Fixed price — no price increases during your contract
Free broadband upgrades
Free upgrades to faster plans and kit
No mid-contract rises
No annual or inflation-linked price hikes
No hidden fees
No setup fees, no engineer — router delivered to your door
Broadband Plans for Portsmouth
No landline. No engineer. No setup fee. Works anywhere in Hampshire with coverage.
Broadband Lite
Unlimited
£15.95/mo
- Unlimited data
- 4G/5G router included
- 24-month plan — best rate
- Free delivery
5G Premium
Unlimited 5G
£19.95/mo
- Unlimited 5G priority
- 5G router included
- 36-month plan (12-month £27.95)
- Free delivery
MiFi Portable
Take it anywhere
£15.95/mo
- Pocket-sized MiFi included
- Runs on battery
- 24-month plan (12-month £17.50)
- Free delivery
Plans start from 1 month: rolling monthly Broadband Lite is £25.95/month and 5G Premium £38.95/month (1-month minimum, 30 days’ notice), and 3-month plans start at £19.95/month plus a £15 refundable holding deposit. No setup fee, whichever you choose.
Mobile Broadband Speeds in Portsmouth
| What you do online | Speed needed | Three 4G in Portsmouth | Three 5G in Portsmouth |
|---|---|---|---|
| Browsing & email | 2 Mbps | ✅ 10–150 Mbps | ✅ 80–400 Mbps |
| HD streaming | 5 Mbps | ✅ Yes | ✅ Yes |
| 4K streaming | 25 Mbps | ✅ Most areas | ✅ Always |
| Video calls / Zoom | 3 Mbps | ✅ Yes | ✅ Yes |
| Working from home | 10 Mbps | ✅ Yes | ✅ Yes |
| Gaming | 20 Mbps | ✅ Good | ✅ Excellent |
Mobile Broadband Portsmouth — FAQs
Can I get rolling monthly broadband in Portsmouth?
Yes. Broadband Lite (from £25.95/month) and 5G Premium (from £38.95/month) are available in Portsmouth on a rolling monthly contract — a 1-month minimum term, then month to month until you give 30 days’ notice. All our plans start from 1 month; fixed terms of 3 to 36 months cost less per month.
What is the best mobile broadband in Portsmouth?
Silux Mobile offers the best value mobile broadband in Portsmouth — from £15.95/month on a 24-month plan, with the router included, no landline required and no engineer visit. Every plan comes with unlimited data, on a rolling monthly contract or a fixed term of 3, 6, 12, 18, 24 or 36 months.
Can I get broadband in Portsmouth without a landline?
Yes. Silux Mobile's mobile broadband in Portsmouth requires no landline, no phone line and no engineer visit. Simply insert a SIM into a 4G/5G router and you have broadband. Works in rented flats, shared houses and any property with Three's signal in Hampshire.
How fast is mobile broadband in Portsmouth?
On Three's 4G network in Portsmouth, typical speeds are 10–50 Mbps on Broadband Lite and 50–150 Mbps on 5G Premium. In 5G coverage areas of Portsmouth and Hampshire, speeds are 80–400 Mbps — fast enough for HD streaming, video calls, gaming and working from home.
Is mobile broadband cheaper than fibre in Portsmouth?
In most cases, yes. Mobile broadband from Silux Mobile starts at £15.95/month with the router included and no installation to pay for. Typical fibre deals in Portsmouth cost £25–45/month. Mobile broadband is especially good value if you rent or move frequently in Hampshire, because it comes with you to the next address.
Will my broadband price increase during my contract?
No. Your price is fixed for the life of your plan — there are no price increases during your contract and no annual inflation-linked price rises. What you sign up at in Portsmouth is what you pay.
Are broadband upgrades free?
Yes. Silux Mobile offers free broadband upgrades — move to a faster plan or upgrade your router with no upgrade fee. Free upgrades are included as standard for Portsmouth customers.
Who is the best mobile broadband provider in Portsmouth?
Silux Mobile is a leading mobile broadband and fast internet provider in Portsmouth, delivering 4G and 5G home broadband on the Three, O2 and Vodafone networks — no landline, no engineer, router included, from £15.95/month.
Are Silux Mobile broadband prices in Portsmouth inclusive of VAT?
Yes. There are no hidden fees on Silux Mobile broadband plans — the price displayed to Portsmouth customers is the price you pay, incl. VAT, with no setup fee and no engineer fee. Short plans take a small refundable holding deposit (£15 on 3-month plans, £30 on rolling monthly Lite), which you get back.