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Learn more about TV Aerials

Our services include TV Aerial Installations & Repairs, Freesat/Satellite Installation & Repairs, TV System Fault Finding & Diagnosis & TV System Set Up

TV signals are transmitted over Airwave frequencies. The frequencies available for different things like TV, Radio or Air traffic control etc are limited. With the introduction of new technologies like mobile phones, far better use of this limited frequency range had to be found.

The old TV signals where analogue signals and these took a lot of bandwidth of the limited frequency band and was a limitation to new and more TV channels.

However, if the TV broadcasts switched to Digital signal, the channels would take less bandwidth and a lot more TV channels could be squeezed into a smaller space.

This is why the digital switchover happened and with it the government sold off the higher frequencies of the TV range to the Mobile phone companies.

As with everything, things change, we now have 4G phones and next will be the roll out of 5G. With each new technology the TV Broadcasts will be pushed down the frequency range into a smaller and smaller space.  

 TV and the mobile phone frequencies are right next to each other and this can cause interference of your TV picture. Every new step in modern technology will provide challenges to your TV reception,  

There are many reasons for your TV pictures to break up and pixilate, but in most cases it’s because you have a poor or weak signal from your Aerial system.

How well your Aerial system stands to up to these new challenges is dependent on how strong and robust it is. A weak or poor system is more liable to interference.

Old Analogue TV Aerials where tuned to specific frequencies for specific areas, with different areas allocated different frequencies. The Granada region aerials are tuned to the higher frequencies which have now been sold off to the mobile phone industry.

As the digital TV signals moved down the frequency range the Aerial Industry introduced wideband aerials (A Digital Aerial) to better receive signals at lower frequencies. The Latest wideband Aerials are also tuned to try and reject 4G signals

This trend of moving TV channels down the frequency range and squeezing the different regions together into a smaller space will probably continue with introduction of 5G.