Originally back in the 1960’s the Ultra High Frequency electromagnetic spectrum for Analogue Television transmitters was 470 to 863 MHz. Since then Digital Terrestrial Television “Freeview”, known as DVB-T, has taken over which is now compressed into 470 to 699 MHz.
The remaining 700 to 863 MHz is progressively filling up with Telecommunications 5G receiver-transmitter masts for newer 5G mobile telephones and other fast data services.
Near me in Leamington Spa in Warwickshire in England in UK there are new 5G masts built and one existing mast has had its antenna arrays replaced. But there may be a problem that will slowly creep up on us still using Digital Television equipment.
I have a Freeview set top box Manhattan T1 and a Freeview recorder Panasonic DMR-BW880. When scanning for channels these equipments scan the whole of 470 to 863 MHz. They will log Digital Television signals of the DVB-T protocols and not log the protocols of 5G mobile. Because Television equipments are wide band receive they can still receive 5G mobile as unwanted noise signals which could overload the Television receiver.
Question: How can we prevent 5G Mobile overloading existing Digital Television receiving equipments?
1A - Install a filter at the Television equipment antenna input. An example of this is a Labgear F5GA. It will pass the wanted 470 to 699 MHz but not pass the unwanted 5G mobile 700 to 863 MHz
or
1B - Install a new Television antenna with built in filter to pass the wanted 470 to 699 MHz but not pass the unwanted 5G mobile 700 to 863 MHz. At the same time replace the down lead of coaxial cable with new comprising a concentric shielding copper foil with an outer concentric flexible copper braid enclosed in a black concentric plastic sheath which resists ultra-violet in sunlight.
and must combine with
2 - Keep your 5G mobile phone away from your Television equipment.
Remember your 5G mobile phone is both a receiver and a transmitter in 700 to 863 MHz. In effect it produces an interfering localised signal to Television receivers. Even when you are not directly operating your 5G phone it is still periodically background communicating with a registered Cell on the receiver-transmitter mast. Also your smartphone software Apps are likely signalling out to collect Emails and collect Social Media updates.
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