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Will that device with a weak signal slow down the whole-home WiFi? I took the camera in the corridor and measured it for three nights, and the account is all recorded here.
I checked the WiFi card at home and found that the bandwidth was normal and no one was using the Internet. The real culprit might be the camera with a signal of only -78. Devices with poor signal had to resend a packet several times, doubling the busy time and causing the whole family to queue up. This article explains the principle, how to call it in the background, and how to deal with devices below -75. ...

