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802.11b Specifications
Data Rates:
•
1, 2, 5.5, 11, 22 Mbps (with Automatic Fallback)
Data Security:
•
64, 128, 256-bit WEP (Wired Equivalent Privacy)
Encryption
Available Channels:
•
Eleven channels for North America. Three non-
overlapping.
Frequency Range:
•
2.4 – 2.4835 GHz
Modulation Technology:
•
Direct Sequence Spread Spectrum (DSSS)
•
Packet Binary Convolutional Coding (PBCC)
Modulation Techniques:
•
BPSK
•
QPSK
•
16 QAM
•
64 QAM
802.11a Specifications
(continued)
•
11-chip Barker sequence
Modulation Techniques:
•
Barker (1Mbps/0db)
•
Barker (2Mbps/0db)
•
PBCC (5.5Mbps/1.5db)
•
CCK (11Mbps/8.5db)
•
PBCC (11Mbps/4.5db)
•
PBCC (22Mbps/8.5db)