Wifi 20mhz và 40mhz


If you are confused about how to thiết đặt for trăng tròn Mhz or 40 Mhz bandwidth for your router, you have sầu come to lớn the right guide here. We will go over some simple rules to help you decide the best bandwidth lớn use for your wireless network.

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How to lớn Choose 20 or 40 Mhz?

The answer is it depends on the devices that you have sầu in your house. The answer lies closely with the type of radio broadcasting that you have chosen. The strategy lớn figure out the best radio broadcast can be found with out 2.4 ghz vs 5 ghz wireless guide.

When You Should Use trăng tròn Mhz for Channel Width?If you use 2.4 Ghz broadcasting radio, you should use 20 Mhz for the channel width. The simple reason is that trăng tròn Mhz is really a supportive measure for your older devices. Using trăng tròn Mhz on a 5 Ghz radio setting defeats the purpose of actually using 5 Ghz radio setting.

The only exception is that you somehow has a devices that support 5 Ghz broadcasting while only accepting a 20 Mhz bandwidth, however that is fairly uncommon. But if that does happen, see if your router supports duo bandwidth for both trăng tròn Mhz & 40 Mhz.

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When You Should Use 40 Mhz for Channel Width?If you use 5 Ghz broadcasting radio, the chances are that your network is only consisted of the lademo devices that support 802.11n. This is when you should use the 40 Mhz bandwidth.

When You Should Use Combination of đôi mươi / 40 Mhz Combination.Only use 20 Mhz / 40 Mhz combination if one of your devices require it. If not, just mix it to 40 Mhz.

How to lớn Control Channel

For đôi mươi Mhz broadcasting with 2.4 GhzThe best channel band to lớn use are 1, 6, 11

For 40 Mhz broadcasting with 2.4 GhzThe best channel band to lớn use are 3, 11

For trăng tròn Mhz broadcasting with 5 GhzYou should use 40 Mhz instead of trăng tròn Mhz, or use combination if your device needs it & the router supports it.

For 40 Mhz broadcasting with 2.4 GhzAny channel with the least amount of interference will bởi. The chances are you are free lớn use any channels. Consider using the tự động hóa function so that when your router can tự động adjust for the best channel khổng lồ use.


Following and changing these generic router options can potentially improve sầu your wireless signal, performance, speed, & lag. Please note that not all the routers allow you lớn tweak all of these settings.1. 802.11 n Support2. WMM Settings3. 2.4 Ghz vs 5 Ghz4. đôi mươi Mhz or 40 Mhz (And Best Wireless Channel)5. APhường. Isolate6. IPhường Flood Detection7. Multicast Rate8. Preamble Type9. Beabé Interval10. DTIM Interval (Period)11. Tx Burst (Frame Burst / Pack Burst)12. WMM APSD13. No Achồng / Aông chồng Suppression14. Optimize AMPDU Aggregation15. Airtime Fairness16. Beamforming17. IGMP.. Snooping18. Jumbo Frame19. NAT Acceleration (CTF và FA)

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