[NRAO]

Wireless Networking

What is it


  • Basically, ethernet via radio waves.

  • Several standards:
    • 802.11b: 2.4GHz, up to 11 Mbits/second, range >100 meters
    • 802.11a: 5.0GHz, up to 54 MBits/second, range ~20 meters

  • Low cost: <$150 for a hub, <$80 for a PCMCIA card

  • Very popular; becoming pervasive

  • Includes encryption (BUT... more on this later)


Wireless Networking - 2002-04-17
Pat Murphy