@kevincooper dead spots are caused by something blocking the direct signal like a metallic object like a radiator. Adding a second wifi source usually helps. If you have the Sky Max hub Sky will supply an extender pod if your sub includes the WiFi Max add on.
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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
