What is the breadth of a standard Wi-Fi network?

The term "bandwidth" of a Wi-Fi network refers to signal strength. Most think the router determines the signal strength on a Wi-Fi network. But this is not exactly the case.

The range of the router is important, but it can be improved by adding additional access points (access points). We usually do not use additional access points at home, as a standard router is enough to share WiFi in all our spaces. Wi-Fi

Conversely, a standard router is not enough for businesses that have more floors or more space. In this case additional wireless access points must be added.

Wireless access points form a wireless local area network (WLAN). The amplitude of such a network and the amplitude of the router is determined by:

  • The location of the access point and how far it is from the who try to connect with it.
  • Objects that exist between the access point and a device. A wooden door will not present a large , but a metal one can even block the signal.
  • The 802.11 protocol you are using. Apple, for example, uses 802.11n, which is faster than the 802.11 protocol.

Wi-Fi Frequencies and channels

Another factor to consider when setting up a WiFi network is which channel it uses. A correct channel can give you much faster speeds while a wrong one can limit them.

Routers and access points transmit signals to a specific . The frequencies generally used by the 802.11 protocols are 5GHz and 2,4GHz. Higher frequencies are used in other 802.11 protocols such as 802.11ad which can use frequencies up to 60GHz.

Most routers use the 802.11 protocol for this and we meet the frequencies of 2.4GHz and 5GHz more often.

At 2,4 GHz, there are about fourteen channels. Of these fourteen channels, 1, 6 and 11 are the only ones that do not overlap.

At 5GHz, there are 24 non-overlapping channels, however this frequency can be blocked by various objects in a house, such as an indoor plant.

Overlapping channels are channels that share the spectrum of frequencies and thus interact with each other. Non-overlapping channels are spaced apart and do not need to share spectrum, which makes them faster.

Device range

Of course, the router and access points are only one part of WiFi. The other part is the device that connects to the router. Each device that connects to a WiFi network does so through its own, built-in network card. This card has a certain and outside of it it cannot detect any WiFi network signal. Most devices can scan Wi-Fi connections within a radius of 300 meters.

Routers

A router that supports different 802.11 protocols (eg 802.11n) allows you to download much faster. So before you buy a router it would be good to ask which 802.11 protocol it supports. The specific information is included in the specifications of the router and can be found on the website of each product.

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Written by giorgos

George still wonders what he's doing here ...

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