• Radio band of 2.4-2.4836 GHz
  • Hops between frequencies within band to reduce interference
  • Requires close proximity to form connection
    • Distance requirements depend on class of device
  • Two devices must pair in order to connect
  • Susceptible to various security exploits
    • Bluejacking
      • Connection used to send unsolicited data
    • Bluesnarfing
      • Connection used to download data with permission

Power Classes

ClassMaximum power outputTypical rangePurpose
1100 mWUp to 100 mUsed for industrial purposes
22.5 mWUp to 10 mUsed for mobile devices
31 mWUp to 1 mRarely used

Wireless Networking Networking Computer Science