@Grandadmac definitely not a broadband issue. Depending on which Sky TV service you have there are several possible causes it would help if you post which service you have (Sky Stream/Glass, Sky Q or Sky HD+) and your post can be moved to the correct forum .
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65inch Sky Glass, 3 Sky Streaming Pucks, Sky Ultrafast + and Sky SR213(white Wifi Max hub) main Wifi from 3 TP-Link Deco M4 units in access point mode
