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How to Get Better Wi-Fi Range without Interference
There is a significant multitude of 802.11-based gadgets and paraphernalia out there, so it's only natural for other 802.11 networks to cause interference with your own network, especially if there's a congestion of such frequencies in one particular area. Then again, because devices of this variant all follow the same protocol, they are more likely to work together instead of against each other; i.e., two access points on the same frequency will tend to share channel capacity more often than not.
Local wireless networks using the 802.11g and 802.11b standards all broadcast their signal in a specific and narrow transmission range of 2.4 gigahertz. Moreover, this interference type is known as co-channel and adjacent channel interference. In any case, the real problem here is that a multitude of other home appliances such as microwave ovens, baby monitors, garage door openers, and cordless phones use this same range and cause interference as well.
Regardless of the cooperative nature of 802.11 Wi-Fi home networks, they'll still face interference in many other fronts. More to the point, any device that uses this narrow frequency can and will interfere with the effectiveness of your Wi-Fi home network by making it perform slower or potentially break your network connection altogether.
Similar to television channels, the 2.4 gigahertz Wi-Fi signal range is separated into several smaller bands. Wi-Fi equipment that's available in most countries takes advantage of this fact by offering a collection of available bands to browse through. Configuring the Wi-Fi channel number correctly is one particular method of preventing the annoyances of wireless obstruction and congestion.
Furthermore, the default channel of six seems to be the standard band for many of the wireless devices shipped into the United States. At any rate, whenever you encounter interference from any of the appliances mentioned above plus the wireless devices of your neighbors, you should attempt to change the channel to avoid it.
You must also remember that all Wi-Fi gadgets connected to a network must utilize just one uniform channel in order to work. In contrast to television channels, there are Wi-Fi bands that tend to extend beyond each other. To be more precise, channel one has the lowest frequency and each channel after it increases the frequency in increments. As such, the further apart the channels are, the less likely it is for interference because the opportunity for overlap is also reduced.
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