Boost Your Wi-Fi Signal
"I have a wireless router with high-speed internet and a laptop that connects via Wi-Fi signal. Sometimes I get a decent wi-fi connection, and sometimes nothing at all. What can I do to boost my Wi-fi signal?"
Weak Wi-Fi?
In the beginning, you were so excited to go wireless, that you may not have paid attention to the speed. Your Internet connection works great in the computer room, but not so hot when you're in the backyard on your hammock. Maybe during your lounging, you noticed a message indicating "weak signal strength" for your wireless connection. Your DSL or cable connection is plenty fast, but it seems the further away you are from your access point, the slower your connection is. Kind of defeats the purpose of having high-speed bandwidth and a wireless router in the first place, doesn't it?
A wise old nerd once said "Your connection is only as fast as your slowest link, Grasshopper." You can have the biggest, baddest broadband connection around, but if there are inhibitors to that connection, your computer will not be able to take advantage of that speed. One inhibiting factor is distance. A standard 2.4 GHz wireless router will cover a range of about 250 feet. Check with your router's manufacturer to find out the range the router covers.
So what if you're within the recommended range distance, and are still getting a weak signal? Physical obstacles and other kinds of electronics can inhibit wireless transmission as well. You want to make sure that your router's signal isn't being blocked by cabinets, metal, glass or thick walls. Also ensure that the router is not near wireless phones, blue tooth devices, microwaves, or wireless baby monitors; these can also interfere with the router's signal. If you place your router near the center of the house, on a high shelf, that should help as well.
If your access needs exceed the recommended range, look for a higher-powered antenna, range expander or repeater that will boost the signal. The Linksys Wireless-G Range Expander is one product that I recommend. But if you want to roll your own, check out this antenna built from a Pringles can or try putting your wireless adapter in a dumpling strainer.
Change The Channel
Just like radio or television, wireless signals are transmitted via channels. By default, most routers are set to channel 6. If your neighbors are using wireless routers set to the same channel, this can degrade the strength of your signal. Use your router's administrative software to try switching the channel to 1 or 11.
Use The Latest and Greatest
Computer users often neglect keeping their devices upgraded to the latest driver releases. Make sure your router has the latest firmware; the vendor's website will usually offer the software as a free download. Additionally, make sure any devices that use your wireless network (like a laptop, for instance) has the latest drivers installed for any on-board or added wireless cards.
It's not a bad idea to do routine checkups of all computers using your wireless network for viruses and spyware (which are notorious for slowing computers down). You are running anti-virus and anti-spyware protection already, right?
Change It Up
If you have tried all the above scenarios, and are still unhappy with your wireless connection, consider an upgrade. Awhile ago Wireless-B was the standard, now the faster Wireless-G is dominant. Upgrade to a wireless-G router, but make sure that wireless cards on any computers connecting to your network are wireless-G compatible. If they are not, you will have to upgrade them as well.
A great way to test your bandwidth connection is with one of the available, free bandwidth speed tools on the internet like the Speakeasy Speed Test. You can use this to gauge the speed of all computers using your wireless router and see which ones have any deficiencies. If any of them are coming up with slower speeds, try the above tips to give your wireless connection a kick in the pants.
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Posted by Bob Rankin on August 11, 2007 03:57 PM
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Most recent comments on "Boost Your Wi-Fi Signal"
Posted by:
joe
13 Aug 2007
Of course, boosting the effective radiated power output on your wireless access point may break the law, as they operate on radio frequencies that are available to unlicensed transmitters, and therefore must be below a certain power limit to have Federal Communications Commission permission. This is to prevent interference to the licensed users of these frequencies, and also to prevent interference to other unlicensed users. The directional antennas, like the pringles can, can help avoid leakage to neighbors IF pointed properly.
More power and gain antennas can actually decrease your speed if you begin to communicate with neighboring computers as a result. (and will decrease neighbors' speed as well.) 802.11n and MIMO antennas are supposed to be better in weak signal areas. However, they will also allow others to listen to unencrypted packets on your wireless network too.
Posted by:
null
04 Sep 2007
Or you can purchase a SuperPass Long Range 28dBm USB Adapter: http://cgi.ebay.com/Free-Internet-Anywhere-28dBm-802-11g-2-4GHz-WIFI-Card_W0QQitemZ120156036691QQihZ002QQcategoryZ42196QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
Posted by:
Born Evil
12 Sep 2008
All of this is easy and known. What I want to know is how to boost from the receiving end of things.
EDITOR'S NOTE: That's easy and known too.
Posted by:
shannon
21 Dec 2009
I have a question and I hope you can help me with it. I have a Lorex Digital Wireless Security Camera/DVR system. It runs on a 2.4 ghz wirelss signal, however due to the concrete walls in my house the range is minimized and the I am looking for a device to give me more range (about 150-200 feet). Do you know of anything that will help me improve my signal. I have been reading about a repeater, would this fit my needs?
EDITOR'S NOTE: You can try a repeater, but I'm not sure the frequencies would be the same as for a wifi router. I would ask the vendor for advice before buying, or get it from a store that allows returns.
Posted by:
Jill Johnson
01 Feb 2010
Everytime my daughter is using her laptop, I have a lag or delay when typing in a "live" platform called (Meditech) on the main computer which is connected to the router and cable modem. We have the highest speed available fro the cable company. I use a Linksys wireless-N router. What could be causing her laptop to take so much from the bandwidth? Is there any way to correct the issues on the laptop end of the problem?
EDITOR'S NOTE: Yes! Tell your daughter to turn it off. If you've already tried that, then let me know what she's running. Is it an online game or video that's hungry for bandwidth? Is she running a file-sharing app such as Limewire or Bittorrent? (She might not tell you if she is.) She could also have a virus that's doing nasty things.