WIRELESS NETWORKING

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Ports and Cards:
How to Tell What You Need.

There are all sorts of different devices you can buy that will give your computer wireless networking capabilities. If you've taken a look around, though, you might have been confused by all the kinds of equipment being offered - how things that look so dissimilar do the same task?

Essentially, the main difference between wireless devices is in how they connect to your computer. There are three main connection methods: PCI, PCMCIA and USB.

Desktops: PCI Cards.

PCI stands for Peripheral Component Interconnect. It is an old and established way of installing new equipment in a desktop computer. If you find a wireless card that looks like a green rectangle with something sticking out of the end, then what you've got is a PCI card.

To install a PCI card, you need to - horror of horrors - actually unscrew your computer, take the cover of, and plug the card in inside it. Scary as that might sound, it is designed to be very easy, and once it's done your computer will have internal wireless networking capabilities for the rest of its life.

You should go for this option, then, if you own a desktop computer, and you're not afraid to get your hands dirty (perhaps literally - I've seen years worth of dust in those things) by installing it yourself.

Or, of course, if you're willing to pay someone to do the installation for you.

Laptops: PCMCIA Cards.

PCMCIA stands for Personal Computer Memory Card International Association.

A PCMCIA slot is a small slot in your laptop that allows you to insert these cards and so add functions to your laptop quickly and easily. They were originally for memory expansion, but are now more often used for networking.

Almost all laptops have PCMCIA slots. If you're not sure whether yours does, take a look at the side of the machine - you should see a slot there, probably near the CD drive. Even if you do have a slot, you need to make sure it's free, by pressing the button to eject anything that might be in there.

If it's an Ethernet card then, well, not to worry, as you can just replace that, but if it's anything else then you might want to consider using USB instead.

For 99% of laptop owners, at least, it's best to use PCMCIA - the only reason some go with USB is because they didn't know they had an alternative.

The Third Way: USB.

Whether you're using a desktop computer or a laptop, you can use USB (Universal Serial Bus). USB ports look like very small slots, and could be almost anywhere on your computer -- but it will help you to locate them if you remember that they very rarely appear in groups of less than two.

Computers have come with these USB ports for years now, and newer computers often come with four or even more. If you need more space, you can buy a splitter (a USB hub) that allows you to use more devices than you have ports for.

So where's the problem?

Well, you wanted a wireless network, right? With USB, your network won't be entirely wireless, as there will still be a small wire between your computer and the USB device - it might not sound like much, but it makes USB wireless on laptops a bit of a joke.

Another factor is that small USB devices are very easy to break -- when I used to use USB wireless, I went through three new receivers inside a year. This is offset, of course, by the fact that USB wireless cards are usually the cheapest ones, and are far simpler to install than PCI.

Essentially, if you're a laptop user without a free PCMCIA slot, or you're a desktop user who doesn't relish the prospect of opening up your PC, then USB is a good 'third way' for you.

If you do go the USB route, however, and you have a reasonably new computer, you should check whether the device you're buying supports USB2.

Most newer computers have USB2 ports, and using specially-designed USB2 devices with them can give you a significant speed boost.

Published by Dunway Enterprises

WIRELESS NETWORKING INDEX

  1. What is Wireless Networking?
  2. How Do Wireless Networks Work?
  3. 5 Reasons Why You Need a Wireless Network
  4. Confused Yet? Wireless Jargon
  5. Could You Already Have Wireless and Not Realise It?
  6. 5 Things You Must Do Before You Buy Any Wireless Equipment
  7. Ports and Cards: How to Tell What You Need
  8. What to Look For: Range, Speed and Standards
  9. Wireless Alphabet Soup: What's the Difference Anyway?
  10. 10 Steps to Install a PCI Wireless Card
  11. Ad-hoc or Access Point? Network Structures Explained
  12. Fighting with Windows: Getting Wireless Set Up
  13. Sharing an Internet Connection over a Wireless Network
  14. Sharing Your Files and Folders Wirelessly
  15. Create Always-On Networks with a Wireless Router
  16. Connecting to a Wired Network: Wireless Access Points
  17. Taking it Long-Distance: Wireless Extension Points
  18. Wireless Everywhere: Talking Your Laptop for a Walk
  19. Wardriving and the Wireless Pirates
  20. Dealing with Security Threats: Wireless Encryption
  21. Wireless Troubleshooting: 5 Things to Try
  22. Bluetooth: Personal Wireless
  23. RFID: Wireless Shopping
  24. What Else Can You Do Over a Wireless Network?
  25. The Future of Wireless

Disclaimer: Information shown in any of the articles shown above
does not in any way constitute medical, financial or legal advice.

If you require such advice, you should seek appropriate professional guidance.

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