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FAQs
Read our list of frequently asked questions (FAQs) on some of the most common concerns about 4G at 800 MHz related interference, and what we will do to help.
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12
4G rollout and TV interference
12
4G rollout and TV interference
- What is 4G? Why is it being introduced?
- Why might 4G affect my TV?
- How will I know if my TV is affected?
- I am missing some Freeview channels. Is this caused by 4G?
- Will 4G affect TV received through satellite or cable?
- Will TVs in caravans, campers and narrowboats be affected?
- Will I see interference on devices such as 4G handsets, radio, tablets and computers?
- Where can I find more information on which areas have 4G coverage?
- Is it true that millions of homes might be impacted?
- I live in London, will I be affected?
- How will at800 let me know if my Freeview may be affected?
- My neighbour has received a postcard and I have not. Why?
5
TV interference - how we can help
5
TV interference - how we can help
9
Filters
9
Filters
- What are filters and how are they fitted?
- Can I fit the filter myself?
- How can I get a filter?
- What if I have a set-top box?
- What if I have an indoor TV aerial; can I still attach a filter?
- What if I have more than one TV running Freeview?
- What if the filter doesn’t resolve the interference?
- Can I get more filters if needed?
- I am moving house, do I need to take my filter to my new home?
5
Aerials, amplifiers and boosters
5
Aerials, amplifiers and boosters
3
Businesses and local services
3
Businesses and local services
1
Important: Coronavirus (COVID-19): changes to help and support
1
Important: Coronavirus (COVID-19): changes to help and support

Our online diagnostic tool will help you identify what might be causing disruption to your Freeview service.