Friday, June 6, 2008 

A Simple Guide to Wireless Networking

Most folks want that laptop for work, school, or college. Most laptops these days are Wi-Fi enabled. That means that they have the wireless hardware and software built into the computer. To the average consumer, wireless is a form of magic. You turn it on and it works, right? Not always. Understanding the basics to wireless will help avoid frustration and headaches.

First, before we get into the basics of wireless networking, I have a few opinions to express.

It seems that everybody wants to go wireless with their laptops and desktop PCs. Wireless for laptops makes sense, since they get moved around between work and home and points in between. You can always connect using the Wi-Fi network at work or steal bandwidth from someone else. There are hotspots all over. There are ethical questions involved with borrowing?your neighbors signal. Let your conscience be your guide.

Wireless for desktops is an open subject. Since most of us usually set our desktops up on our home or office workstations, they tend not to move around. The only benefit of having a wireless desktop is that you dont have the expense and trouble of running Ethernet cable around your house. If you are not a DYIer, an Ethernet cable installation is an extra outlay. If youre lucky, your present PC is only a few feet away from your Broadband Modem. I personally prefer to have all my stationary PCs hooked up with Cat 5 Ethernet cables. That way I dont load up the wireless bandwidth on the router. Well talk more on bandwidth later.

There are hardware requirements to wireless networking. These are the things you need to communicate.

At home you need:

  • (1) a Broadband internet connection (Cable or DSL modem),
  • (2) a router to broadcast the wireless signal,
  • (3) a wireless enabled computer.
You cannot set up a wireless network using a Dial-Up connection. Period. I recommend that you power off your Broadband Modem and any existing computer systems before you begin the installation of the wireless router. The computing equipment will start to negotiate with your router automatically on start up. This will get you on the network without confusion. The router and existing PCs should not need any further configuration. The default or current settings should work. Your PC should already be set to DHCP in your Network Connections TCP/IP properties window. If it werent you would not have been able to connect to your ISP. This is a default setting of your PC.

The Broadband internet connection gear should already be present. Thats the Cable or DSL Modem that your Internet Service Provider installed when you got their service. Its connected to the Cable or DSL filter connection coming from your wall. The Modem has two connectors as a rule. One for the Cable or DSL data into the Modem, and one RJ45 connector you probably have connected to the computer you have in service now.

Youll need to unplug the Ethernet cable between the computer and the Modem. Reconnect that cable to your wireless router. It goes into a RJ45 connector usually labeled WAN?for Wide Area Network. The only other connection you will need to make is to connect another Ethernet cable between from one of the wired ports on the back of the router to your PC. There are usually 4 of them. Any one will do to reconnect your existing PC so its on the network. The existing PC will get its internet connection through this port. Your routers default settings should allow you to start connecting to your Wi-Fi enabled computers.

If all the cables are correctly placed, you should now be able to get on the Internet from you existing computers and your wireless computers.

Some quick notes of interest:

  • (A) Your Wi-Fi router is transmitting and receiving in the 2.4MHZ range. So are your Wi-Fi enabled computers. This is the same frequency range of a number of cordless telephones. You may have interference on your cordless phones once the Wi-Fi network is installed. If this occurs youll need to get 5.8 MHZ phones or put up with the noise.
  • (B) One of the most common questions I get is ?strong>I bought a wireless laptop and I cant get on the internet. Why not??If your wireless router is installed properly, then your wireless laptop may need configuration. Go to your Network Places or Network Neighborhood for a wizard to help you set up your computer for wireless.
  • (C) Bandwidth is the volume of traffic you can sustain through your network. The more devices using the Wi-Fi network, the slower the network uploads/downloads will be.
Remember, your wireless network works a lot like your cordless phone system. You need a transmitter/receiver at each end. Think of the router as the base station and the wireless PC as the handset. You cant talk on your cordless phone if the base station is unplugged. So without a wireless router in service, you cant communicate with the Internet. Hotspots are just spillover signal from someones wireless router.

Randolph M. Wells Microsoft Certified Systems Administrator IT Training and Certification Consultant IT Project Management Specialist Download This Free Report That Reveals Every Single Tool Mike Filsaime Uses To Run His Million Dollar Online Business Get the Free Resource Report Here! Profit Master Blog

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Cable Vs. DSL - Which is Better?

As broadband Internet becomes more mainstream, one of the most common questions we get is: which is better, cable or dsl?

The answer to that question is not so definite. Many factors come into play when deciding which high-speed connection to choose. Regardless of which you choose (DSL, Cable, or even Satellite) its going to be a ton better (and faster) than that ancient dialup modem youve been using. Not to mention, your Internet experience will be much more enjoyable.

DSL (Digital Subscriber Line)

Just like your existing dialup modem, DSL uses your existing copper wire phone line to deliver data at high speed. To qualify for DSL, you need the following:

- a phone line

- a DSL modem (which normally comes with the service)

- an Ethernet card or an available USB port ( most DSL modems allow both connections, but Ethernet is recommended).

- a phone company (ISP) that is offering DSL service (e.g., Verizon)

One important factor that will influence your DSL connection is the distance between your home or office and the phone companys central office. The farther away you are from the central office, the signal becomes weaker, thus a slower connection. With that said, DSL is not as available widespread compared to cable. Youll need to contact your local phone provider to check availability.

Speed wise, depending on the package you choose, DSL can range from 128 kbps to 3 Mbps. Generally, the faster your connection the more expensive your service will be. You can expect to pay around $25-$30 a month for a 768 kbps connection, which is roughly 13 times faster than a 56k dialup modem.

::Pros::
- Relatively cheaper than cable
- Dedicated line, so speeds are almost guaranteed
- You can talk on the phone at the same time while surfing the net

::Cons::
- Slower speeds compared to cable
- Speeds drop the farther away your home/office is from the central office
- Not available in all areas

Cable Internet

Cable Internet gets our recommendation. Cable, which you can probably already tell, uses the coaxial cable that your television uses. To qualify for cable internet, you need the following:

- a cable modem ( which normally comes with the service)

- an Ethernet card or an available USB port (most cable modems allow both connections, but Ethernet is recommended)

- a cable company offering cable Internet (e.g., Adelphia)

Unlike DSL, cable Internet does not depend on the distance between your home or office and the central office. However, unlike DSL, cable connections are typically shared among your neighbors. Although, most cable companies provide pipelines with huge bandwidth that this rarely becomes an issue.

Speed wise, cable Internet typically ranges from 3 Mbps to 10 Mbps, up to 3-4 times faster than DSL. However, expect to pay more for the service - $40-$50 per month.

::Pros::
- Faster speeds than DSL
- More widespread than DSL
- Distance does not affect speed

::Cons::
- More expensive than DSL
- Line is shared with other users

With all that said, you need to think about what type of user you are. If you are a heavy Internet user and downloader, you would highly benefit from a broadband connection. For the light users who use the Internet just to check emails, are probably better off with a dialup. However, if you are willing to splurge some cash on a broadband connection, then by all means, upgrade!

Mark Pascua is the webmaster of PersonalConfuser.net, a computer how-to and tips website.

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Cable Vs. DSL - Which is Better?

As broadband Internet becomes more mainstream, one of the most common questions we get is: which is better, cable or dsl?

The answer to that question is not so definite. Many factors come into play when deciding which high-speed connection to choose. Regardless of which you choose (DSL, Cable, or even Satellite) its going to be a ton better (and faster) than that ancient dialup modem youve been using. Not to mention, your Internet experience will be much more enjoyable.

DSL (Digital Subscriber Line)

Just like your existing dialup modem, DSL uses your existing copper wire phone line to deliver data at high speed. To qualify for DSL, you need the following:

- a phone line

- a DSL modem (which normally comes with the service)

- an Ethernet card or an available USB port ( most DSL modems allow both connections, but Ethernet is recommended).

- a phone company (ISP) that is offering DSL service (e.g., Verizon)

One important factor that will influence your DSL connection is the distance between your home or office and the phone companys central office. The farther away you are from the central office, the signal becomes weaker, thus a slower connection. With that said, DSL is not as available widespread compared to cable. Youll need to contact your local phone provider to check availability.

Speed wise, depending on the package you choose, DSL can range from 128 kbps to 3 Mbps. Generally, the faster your connection the more expensive your service will be. You can expect to pay around $25-$30 a month for a 768 kbps connection, which is roughly 13 times faster than a 56k dialup modem.

::Pros::
- Relatively cheaper than cable
- Dedicated line, so speeds are almost guaranteed
- You can talk on the phone at the same time while surfing the net

::Cons::
- Slower speeds compared to cable
- Speeds drop the farther away your home/office is from the central office
- Not available in all areas

Cable Internet

Cable Internet gets our recommendation. Cable, which you can probably already tell, uses the coaxial cable that your television uses. To qualify for cable internet, you need the following:

- a cable modem ( which normally comes with the service)

- an Ethernet card or an available USB port (most cable modems allow both connections, but Ethernet is recommended)

- a cable company offering cable Internet (e.g., Adelphia)

Unlike DSL, cable Internet does not depend on the distance between your home or office and the central office. However, unlike DSL, cable connections are typically shared among your neighbors. Although, most cable companies provide pipelines with huge bandwidth that this rarely becomes an issue.

Speed wise, cable Internet typically ranges from 3 Mbps to 10 Mbps, up to 3-4 times faster than DSL. However, expect to pay more for the service - $40-$50 per month.

::Pros::
- Faster speeds than DSL
- More widespread than DSL
- Distance does not affect speed

::Cons::
- More expensive than DSL
- Line is shared with other users

With all that said, you need to think about what type of user you are. If you are a heavy Internet user and downloader, you would highly benefit from a broadband connection. For the light users who use the Internet just to check emails, are probably better off with a dialup. However, if you are willing to splurge some cash on a broadband connection, then by all means, upgrade!

Mark Pascua is the webmaster of PersonalConfuser.net, a computer how-to and tips website.

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