wireless comparision of different technology

ZigBee™
802.15.4
Bluetooth™
802.15.1
Wi-Fi™
802.11b
GPRS/GSM
1XRTT/CDMA
Application Focus
Monitoring
& Control
Cable
Replacement
Web, Video,
Email
WAN, Voice / Data
System Resource
4KB-32KB
250KB+
1MB+
16MB+
Battery Life (days)
100-1000+
38724
.1-5
38724
Nodes Per Network
255/65K+
7
30
1,000
Bandwidth (kbps)
20-250
720
11,000+
64-128
Range (meters)
1-75+
1-10+
1-100
1,000+
Key Attributes
Reliable,
Cost,
Speed,
Flexibility
Reach,
Quality
Low Power,
Convenience
Cost Effective


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