Metis

Metis Oy is a privately owned Finnish ICT training and consulting company located in Helsinki, Finland, established in 1988. The customer base is in Finland, so please select Suomeksi from the top right corner language menu if you can read Finnish (or you want to amuse yourself). For English speaking visitors the…

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Networking & Internet 1 Infrastructure & DevOps 1

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Reasons to turn down the transmit power of your Wi-Fi (2017)

2019356 points206 comments Networking & Internet details

By default almost all WiFi access points transmit at full power (100mW on 2.4GHz). This gives maximum coverage and users see a good signal ("full bars"). However, there are good reasons to turn down the transmit power to a fraction of the maximum.