![]() blocking parts of WiFi from your cards and the antennas deep inside cases. "Metal" computer cases are "grounded" and shielded too and this creates similar conditions,where significant WiFi signals are trapped inside cases and this of course impacts WiFi range and signal patterns too!Įlectrically grounded cases also reflect Router WiFi signals awa y. ![]() WiFi transmitter power is restricted to 100mw as mandated by the FCC in America (and other countries as well) ~ and that's not much power at all.Īlso the WiFi Band is shared with many other devices from smartphones to laptops and tablets to remote sensors, actuators televisions and many more ~ so every milliwatt counts!įirst consider a kitchen microwave oven ~ designed and shielded to keep 'microwaves' inside the oven. Consider External WiFi Antennas or USB WiFi Adapters and here is why:
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