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All wireless routers operate within the confines of the 802.11 standard and transmit at the 2.4GHz wavelength. Newer 802.11n models can also work on the 5GHz band as well. The problem is so do a lot of other devices— baby monitors, cordless phones, microwaves, and other Wi-Fi networks can all operate in the 2.4 GHz band. With all these devices trying to use the same frequency interference can occur with weak signal and ‘drop-out’ being symptomatic.
The 2.4GHz standard is divided into 13 distinct channels just as radio. You can therefore setup your wireless router or access points to avoid other devices operating within these channels. There are a number of free basic tools to help with this. A good one is inSSIDer and has great tutorials to explain what data you are viewing.
Updating is the most simple and cost effective (i.e. free) method of improving Wi-Fi. New firmware for your router and/or access points can fix problems inherent to the piece of equipment being used. Most network hardware have an auto updater on their GUI. All you need to do is go to the devices address on the network and start the process.
As with everything you get what you pay for and the same is true with wireless networking. In our experience though, less can be more with the use of high quality networking products. Pakedge networking products provide enterprise grade high power Wi-Fi signal. Combined with correct WAP (wireless access point) positioning fewer of these units give a more even and seamless Wi-Fi network than many cheaper WAPs on the market. Please see our case study on how this tip was deployed in the real world - http://hh-av.co.uk/case-studies/wifi-extension/
Do you have your wireless router snug-fit against your cordless phone base station tucked away in a cupboard in your basement? Move it, if you have range issues. You don’t have to have the router near the phone point or be the device which creates the wireless network. You can use WAPs (wireless access points) connected to the router through CAT5 cable. These WAPs can be placed in central locations and ideally should be at a high level not be covered with obstacles for the Wi-Fi to travel through (on top of bookshelves/ cupboards are ideal locations). H&H AV can also provide WAPs that live in the ceiling cavity out of sight.
The quickest and most widely available wireless technology is 802.11n, which is referred to as wireless 'N'. On paper it supports transfer rates of up to 300Mb/s. In a real world environment with obstacles and interference it tends to reduce the speed to around 100Mb/s.
Benefits of wireless ‘N’ include:
Better speeds – wireless 'N' gives you the fastest possible wireless networking
Better coverage – your wireless signal is likely to be stronger around the house, compared to wireless 'G'.
Better range – the signal will travel further than a wireless 'G' signal, so your computers and devices won’t need to be as close to the router or WAPs as before.
You can check that your device is ‘N’ compatible from the networking section on the specification sheet provided with the device.
Related article: http://hh-av.co.uk/case-studies/wifi-extension/