Repeater
Do WiFi repeaters/range extenders reduce Internet speed?


Do Wi-Fi extenders slow down the original router Internet speed as well? I know Wi-Fi extender speeds are slower than the router, but does it actually slow down the original router?

Can wifi repeater/extender can be use to limit someones connection? I want share my wifi to my neighbor but I need them to have a different connection so can protect my work and limit the speed they can use, as I am working at home.
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Yes, Wi-Fi is a shared medium, all devices are sharing one single connection unlike Ethernet where each cable is a separate connection to the router, as well as Ethernet is usually full-duplex.

Repeaters work by listening for each packet, then retransmitting it to devices connected to the network. This means each packet is broadcast twice and uses twice as much time (actually a bit more due to processing delays) to transmit. This quickly degrades network performance.

It's better to use a Wi-Fi Access Point with your existing router via Ethernet. Some extenders have an Access Point mode, use that and run a cable. That way you can run the access point on a separate channel while also using the existing router.




Yes for sure and with about half of it.extender will reduce the speed of Internet for devices using the extender typically by around 50%

I have a 1Gbit/s optical fiber Internet connection.
When using WiFi 5 I get about 550Mbit/s, I did try just for fun and to really know. So I got a WiFi extender intended for WiFi 5 (IEEE 802.11AC) I did never get above 250Mbit/s. So for sure you will lose Internet speed.

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Can wifi repeater/extender can be use to limit someones connection? I want share my wifi to my neighbor but I need them to have a different connection so can protect my work and limit the speed they can use, as I am working at home.
https://www.quora.com/Do-Wi-Fi-exten...riginal-router
https://www.quora.com/Can-wifi-repea...an-use-as-I-am