James BrownEver since I put this Raspberry Pi in a sweet all metal heatsink case, the wifi reception has been... oh.
rdmI know that sensation!
Olivier Mehani@ancientjames but no more mind control wave amirite?
Ray McCarthy@ancientjames
I was surprised that the WiFi & BT still worked on my Pi4b after mounting in the case*. I surmised that the slots for the ribbons acted as slot aerials?
RF shielding is really hard. The cables can also radiate.
[*My initial setup used cabled ethernet, USB keyboard & mouse and HDMI]
StoneBear 
@ancientjames oops!!
Paradroyd@ancientjames For situations like these, or when I just need better wifi reach, I turn off the internal wifi via /boot/config.txt and use one of these...
https://www.amazon.com/BrosTrend-600Mbps-Wireless-Internet-AC2/dp/B01GC8XH0S
If you get one, I'd suggest also getting a short USB A extender to make it easier to connect.
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