Bluetooth
- 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
| Class | Maximum power output | Typical range | Purpose |
|---|
| 1 | 100 mW | Up to 100 m | Used for industrial purposes |
| 2 | 2.5 mW | Up to 10 m | Used for mobile devices |
| 3 | 1 mW | Up to 1 m | Rarely used |
Wireless Networking Networking Computer Science