@Cammie Sky should provide a booster for your bedroom if you buy their WiFi Max bundle. The summer house is presumably outside your home so isnt covered by the bundle. See https://www.sky.com/help/articles/sky-wifi-max
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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
