Aironet BR2000-E Manual de usuario Pagina 29

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CSE5501: MOBILE & DISTRIBUTED COMPUTING SYSTEMS
Lecture 3: Wireless LANs
29
2.4GHz Protocol Issues
2.4GHz Protocol Issues
2.4GHz Protocol Issues
2.4 GHz protocols - Independently developed to support specific
usage models
802.11b HomeRF Bluetooth
Coded data rates 11 Mbps 1.6 Mbps 1.0 Mbps
End-user throughput 5.5 Mbps 0.8 Mbps 0.7 Mbps
Multimedia support No Audio Audio
Low-power operation No No Yes
Range 150ft. 150ft. 30ft.
True network Yes Yes No
Supports roaming Yes No No
Cost High Medium Low
One reason for the threats at 2.4 GHz is protocols that
are incompatible and can cause significant interference if
run simultaneously in the same location.
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