@Vonny61 you normally cannot mix kit from different ISPs there are exceptions but I doubt your combination can work. The SE210 is designed only to work between the Sky Q boxes or with the black Sky hubs.
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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
