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Modem Router WiFi: Difference between revisions
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==Modem==
[[File:
[[File:FTTCModems.png|300px|Openreach FTTC Modems]]
If you are using broadband you will typically have a service from an Internet Service Provider (ISP) that runs via a phone line. This could be a normal ADSL service (the typical, up-to around
The modem is the bit that connects to the phone line and makes the broadband signals work on the line. Modem actually stands for Modulator/Demodulator because of what it does.
In general, if you have a fixed desktop PC you are far better off using an [[Ethernet]] cable to connect that to your router/firewall than using WiFi. WiFi has limits on speed and latency (not good for gaming) and is subject to interference from other WiFi and non WiFi sources. It is also shared by all of the devices using it. A cable is always better.
There are many sorts of WiFi available, and usually have complicated codes like 802.11a, 802.11n, and so on. These are then confused by
I am not going to try and go in to a great deal of detail on the different types - there are far better web pages for that - the point here is that there is a choice. The choice is around budget, number of devices that the AP can handle, speed of wireless connection, compatibility with devices you have, and so on. In general the range of signal on a single AP is not so much of a choice as this is based on standards for the power used, so normally the same from one AP to another working to the same specification.
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