How to fix Freeview problems caused by 4G

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This spring sees the arrival of new 4G mobile services operating at 800 MHz.

4G allows mobile devices such as smartphones, laptops and tablet PCs to access the internet at super fast speeds and is expected to bring innovations in business, entertainment, education and public services.

While these new services will benefit the UK by giving us faster access to broadband on the move, Ofcom has warned since June 2011 that they may also cause some problems with the reception of Freeview.

Freeview vs 4G

This is because the spectrum auctioned by the Treasury in February for 4G services occupies space previously used for TV. This space sits next to today's digital terrestrial television services.

TV reception equipment has been built to receive signals at this frequency so viewers who watch Freeview but live close to a new 4G mast operating at 800 MHz could experience reception problems.

This could include loss of sound, blocky images or loss of some or all Freeview channels.

Television is central to the lives of millions of people across the UK so we are working hard to minimise the impact this issue could have in the UK.

Our organisation, at800, has been set up to ensure people across the UK continue to receive free to air television services when 4G operating at 800 MHz is launched where they live.

We're funded by the UK mobile operators who won the 4G at 800 MHz spectrum allocations, namely EE, Telefonica UK (O2), Three and Vodafone.

Is your TV at risk?

The communications industry regulator, Ofcom, requires at800 to proactively address this potential problem so we're aiming to identify the places that could experience reception issues before they are affected.

This means that before 4G masts are switched on across the UK, we will use a model to predict which buildings could be affected and alert Freeview viewers.

We are currently refining this process of identification to allow us to be accurate in predicting potentially affected viewers.

We ran a small scale pilot in the West Midlands in March and approximately 22,000 homes surrounding the 4G at 800 MHz masts were sent information in advance of the testing, asking them to contact at800 directly if they experienced problems with Freeview.

Before the test, our forecasting model predicted 120 households would be affected.

In fact, fifteen households in the test area were found to suffer from problems with TV reception caused by 4G.

We are also running a second pilot, taking place in south east London. The point of this pilot is to test for Freeview problems from 4G in an urban environment.

For this, approximately 170,000 household and business addresses in parts of Greenwich, Lewisham, Southwark and Tower Hamlets were contacted directly to alert them that they may see reception problems. The results of this pilot will help us better understand which households will be affected when 4G is rolled out across the UK.

So what should you do if you are concerned about problems with Freeview as a result of the rollout?

If you'll be affected

We'll call you...

Once 4G at 800 MHz starts going live, we will contact specific households and businesses that we predict may be affected by this issue no later than four weeks before any interference could occur.

If you're not contacted directly through the post, any interference to your Freeview service is unlikely to be due to the 4G test and TVs connected to a cable or satellite service are not affected.

... but if we don't

If you're unsure whether you've been contacted, you can always check with our contact centre.

If you notice problems with your Freeview service as a result of the 4G at 800 MHz rollout, you can call us on 0333 31 31 800 (free from most landlines).

How we help

By giving us your postcode and thoroughly describing the type of disruption and the time at which it occurred, we can help to restore your Freeview service as soon as possible.

We'll either do this by providing an accredited engineer to visit your property, or sending you a filter to fit to your TV.

For those living in individual flats within large blocks, we will try to identify the person responsible for managing the communal TV aerial and provide the relevant information and an at800 filter designed specifically for blocks of flats.

If we can't identify them, we will let the individual viewer know and ask them to contact their landlord on our behalf. When they get in touch with us, we'll provide their nominated installer with a special filter for use in a communal aerial system.

It is the responsibility of the landlord or property manager to arrange for it to be fitted.

Extra support

We will also give extra support for those who may require it.

This includes those that are 75 or over, are registered blind or partially sighted, are eligible for disability living allowance, attendance allowance, constant attendance allowance and mobility supplement and those that have lived in a care home for six months or more.

To put the issue into perspective, the UK is not the first country to have to deal with this potential problem, although it is the only country in Europe providing proactive assistance.

If you're interested in getting more information, check out our website,


27 October 2015

I have been struggling for a week or more now to get consistent signal. I rang at800 and they said there wasn't an issue in Stafford yet. Stafford is listed as an affected area on their site (!!!!). Basically just awful - Freeview can't help, at800 can't help and I have retuned everything 50 times. Want my TV licence back frankly, I am left watching DVDs on repeat.

13 October 2015
Arthur Harlett

I lost Freeview altogether after the mast was switched on in Worthing.
Nice to know it's someone elses responsibility to have the filter fitted, not the government or phone companies.

22 September 2015
Sarah Hutcheon

Hi my freeview has not worked since mast went live. I am in aberdeen. Can you help?

22 June 2015
Diana Brown

Biart place in Rugby is affected. Can only get one channel - Challenge. RBC won't do anything about it as they say I'm the only one in the whole block who's reported problem. Think I may as well cancel my TV license. Not paying for a service I'm no longer getting.

29 May 2015

No TV in Swale due to O2 mast going live tonight.

29 April 2015

No TV again in Walkwood Redditch! Guy working on the new mast installed on Saturday said we should of had a leaflet advising us of a change and or potential disruption? Nothing and now we're left without a signal - hope someone is going to sort this out and quick!

20 February 2015
Ian Wishart

Having major problems with certain channels here in Swansea, pixelation and no signal on the channel 4 stations. Daytime is ok but after 5pm it gets really bad.

11 September 2014

Really angry. 4G has ruined my signal, but AT800 won't fix as we have Virgin on the main TV. So the kids will have to watch pixilated images of Cbeebies for my £12 a month licence fee.

22 June 2014

Vodafone announced recent 2014 may/june connection and relevant freeview TV problems in Swindon. I now have intermittent problems whereby my TV switches off and on by itself, this affects Sky too as this service automatically boots up from the TV switch to Sky channels. Hence TV is at times unwatchable.

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