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Table 2 Protocols
Air Interface Standard IEEE 802.11b or IEEE 802.11g
Note: bridge mode has enhancements to the standard to allow longer-
range bridging communications.
Frequency Band • 2.412 to 2.462 GHz (FCC)
• 2.412 to 2.472 GHz (ETSI)
• 2.412 to 2.472 GHz (TELEC)
Wireless Modulation 802.11b
Direct Sequence Spread Spectrum (DSSS):
• Differential Binary Phase Shift Keying (DBPSK) at 1 Mbps
• Differential Quadrature Phase Shift Keying (DQPSK) at 2 Mbps
• Complementary Code Keying (CCK) at 5.5 and 11 Mbps
802.11g
Orthogonal Frequency Divisional Multiplexing (OFDM):
• BPSK at 6 and 9 Mbps
• QPSK at 12 and 18 Mbps
• 16-quadrature amplitude modulation (QAM) at 24 and 36 Mbps
• 64-QAM at 48 and 54 Mbps
Media Access Protocol Carrier Sense Multiple Access/Collision Avoidance (CSMA/CA)
Operating Channels 802.11b/g:
• ETSI: 13
• Americas: 11
• TELEC (Japan): 13
Non-Overlapping Channels 3
Security—Bridge Role Cisco Wireless Security Suite, including:
Authentication
802.1X support including LEAPto yield mutual authentication and dynamic
per-user, per-session encryption keys
Encryption
Cisco TKIP; key hashing (per-packet keying) and Message Integrity Check
(MIC)
AES-ready
Security—Access-Point Role Cisco Wireless Security Suite, including:
Authentication
802.1X support including LEAP, PEAP, EAP Message Digest 5 (EAP MD5),
EAP TLS, and EAP FAST to yield mutual authentication and dynamic
per-user, per-session encryption keys
Encryption
Cisco TKIP and WPA TKIP; key hashing (per-packet keying) and MIC
AES-ready
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