
CSE5501: MOBILE & DISTRIBUTED COMPUTING SYSTEMS
Lecture 3: Wireless LANs
16
ISM Unlicensed
Frequency Bands
ISM Unlicensed
ISM Unlicensed
Frequency Bands
Frequency Bands
Extremely
Low
Very
Low
Low MediumHighVery
High
Ultra
High
Super
High
InfraredVisible
Light
Ultra-
violet
X-Rays
Audio
AM Broadcast
Short Wave RadioFM Broadcast
Television
Infrared wireless LAN
902 - 928 MHz
26 MHz
Cellular (840MHz)
NPCS (1.9GHz)
2.4 - 2.4835 GHz
83.5 MHz
(IEEE 802.11)
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