QUOTE(StuartLee2015 @ Sep 11 2018, 02:46 AM)
How do i correctly set it up? I don't really know... what to click inside...
go router portal and find 20/40Mhz instead of 20Mhz.
Even you set it, expect 50-70Mbps for 2.4Ghz wifi.
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Actual wireless speeds vary significantly from the above theoretical maximum speeds due to:
distance - distance from the access point, as well as any physical obstructions, such as walls, signal-blocking or reflecting materials affect signal propagation and reduce speed
interference - other wireless networks and devices in the same frequency in the same area affect performance
shared bandwidth - available bandwidth is shared between all users on the same wireless network.
In addition, net IP layer throughput of WiFi is typically 60% of the air link rate due to WiFi being half-duplex with ACKs, and being CSMA/CA. The number of simultaneous connections, and even the type of wireless security can affect and slow down some older routers with inadequate processors/memory.
Below is a breakdown of actual real-life average speeds you can expect from wireless routers within a reasonable distance, with low interference and small number of simultaneous clients:
802.11b - 2-3 Mbps downstream, up to 5-6 Mbps with some vendor-specific extensions.
802.11g - ~20 Mbps downstream
802.11n - 40-50 Mbps typical, varying greatly depending on configuration, whether it is mixed or N-only network, the number of bonded channels, etc. Specifying a channel, and using 40MHz channels can help achieve 70-80Mbps with some newer routers. Up to 100 Mbps achievable with more expensive commercial equipment with 8x8 arrays, gigabit ports, etc.
802.11ac - 70-100+ Mbps typical, higher speeds (200+ Mbps) possible over short distances without many obstacles, with newer generation 802.11ac routers, and client adapters capable of multiple streams.