@KW221 what is causing the noise as both the ONT and the Sky hub should be entirely silent. Report the issuue to Sky. By definition fibre optical lines carry light so cannot cause noise.
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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
