Why have I been sent a filter for my Freeview? | free and easy
LYNX CH59 Communal 4G LTE Filter from Alltrade
Restore TV on Twitter: "Mobile services are being upgraded in your area, which may interfere with your free to view TV signal. If you already have an at800 filter this may need
4G TV Filter Official at800 Approved - Removes 4G Signal Interference & TriStar | eBay
CHANNEL 59 AT800 approved 4G LTE Signal TV Filter Filtronic PSD006-V5 - £12.95 | PicClick UK