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Ten Tips and Considerations on Upgrading to Wireless N

  • Article is provided courtesy of Cisco Press.
  • Date: Jun 1, 2009.

Contents

  1. 1. Use the Same Manufacturer for All Gear
  2. 2. For Full Improvements, Replace Adapters
  3. 3. Don't Mix Wireless B/G with N
  4. 4. By Default, the Higher Speeds Won't Work
  5. 5. Use 40MHz-wide Channels Only with Strong Signals
  6. 6. Carefully Select 40MHz-wide Channels
  7. 7. For Fastest Wireless-to-Wired Connections, Go Gigabit
  8. 8. For Best Throughput, Take Advantage of the 5GHz Band
  9. 9. For Best Performance, Don't Use WEP or WPA
  10. 10. Make Use Of Your Old Wireless B or G Gear

Article Description

Thinking about upgrading your Wi-Fi network to 802.11n? Before you do, Eric Geier, author of Wi-Fi Hotspots: Setting Up Public Wireless Internet Access, recommends using these tips. To get the fast speeds, increased range, and enhanced performance you want, follow the discussed recommendations; otherwise, you'll be throwing your money away.

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5. Use 40MHz-wide Channels Only with Strong Signals

5. Use 40MHz-wide Channels Only with Strong Signals

This serves as a disclaimer for the above tip, about changing the default channel width to enable the higher data rates—sometimes referred to as channel bonding. Though the effect can be great, it works only with users that have a good connection.

At a certain point, 40MHz-wide channels and a lowering signal will start to negatively affect the throughput. The worse the signal gets, the more negative its impact.

So if not all your computers are in a good range, you may actually consider leaving the channel-width setting alone.

6. 6. Carefully Select 40MHz-wide Channels | Next Section Previous Section

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