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How Do I Keep My WiFi In The House?

Wednesday, March 4th, 2015 by | Filed Under: Hardware & Peripherals
 
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Ernie asks:

I have WiFi modem. Is there something to keep it just in the home?

Ernie, your WiFi signal shouldn’t broadcast much farther than the walls of  your house. You may be able to pick it up outside in your yard and it’s possible your neighbors may be able to pick up the signal depending on how close your houses are together.

There’s really no way to keep a signal from broadcasting outside your home. Let’s take a look at how WiFi works.

http://imgsrv.worldstart.com/images/ct-images/2014/07/comcastrouter.jpg

Your router generates a radio wave and broadcasts it in your home. Your computer or other wireless devices can use that wave to send and receive information to the modem and access the Internet.

It would be difficult to physically contain the wave length, through I suppose you could put your router in a basement, but that might interfere with the signal reaching all the way upstairs in your house.

image

In fact, most questions we receive involve extending the reach of the signal. I suspect that your concern is other people accessing your network.  That issue can be solved by making sure that your wireless network is secured with a password.

If your Internet Service Provider set up your router and modem, you should have been give the option for selecting a password then. If you need a password to log on to you wireless, your connection is probably already secured from outsiders hacking in.

If your network is not secured by a password, you’ll want to make sure to password-protect it ASAP. If the modem and router come from your Internet service provider, you may want to contact their customer service for directions on securing it.

If you purchased the equipment yourself, you should be able to find directions and the necessary information for securing your router in the documentation for the device.

This article from the archives offers some tips on tightening up your wireless security.

~ Cynthia

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3 Responses to “How Do I Keep My WiFi In The House?”

  1. Jim Hood says:

    Is it possible to change the router password?

  2. Bonnie G. says:

    The best solution besides a good password is to limit use of your router to the MAC Addresses of all allowed wireless devices you use. It is simple to enter them in an prevents anyone who just might guess your password from using your wifi. Just remember to backup your allowed MAC addresses. If you do this, your wifi will show and will indicate you can use it with the password but since the offending MAC address is not entered it cannot be used. We have done this for years and have frustrated many of our neighbors (we live in a campground) who have tried to piggy back onto our wifi.

  3. Keith Monson says:

    There is a very radical way to contain your wifi signal. You can make a faraday cage within the confines of your house. Use aluminum foil, cover the walls windows and ceiling with it. The signal will be reflected back and you will probably see a speed increase and it will be really wild looking! Just joking, Do the password thing.

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