Appendix A: Specifications
302
Radio Specifications
IEEE 802.11g
IEEE 802.11b
Table 82. IEEE 802.11g Radio Technical Specifications
Frequency band 2.4 to 2.5 GHz worldwide
Type Direct sequence, spread spectrum
Modulation Direct sequence, spread spectrum (CCK,
DQPSK, DBPSK)
Power output 63 mW (18 dBm)
Basic data rate 11, 5.5, 2, and 1 Mbps
Extended data rate 54, 48, 36, 24, 18, 12, 9, and 6 Mbps
Channels 11 (North America), 13 (Europe), 4 (France), 14
(Japan). 1 (Israel)
Range (Maximum
power output, 11
Mbps)a
a. Lowering the power output level reduces the range.
160 m (525 ft) open environment
50 m (165 ft) semi-open environment
24 m (80 ft) in closed environment
Unlimited range with roaming
Receiver sensitivity
(11 Mbps)
-82 dBm
Security IEEE 802.11 Wired Equivalent Privacy (WEP)
standard, WEP 64, WEP 128, Wi-Fi Protected
Access (WPA)
Table 83. IEEE 802.11b Radio Technical Specifications
Frequency band 2.4 to 2.5 GHz worldwide
Type Direct sequence, spread spectrum
Modulation Direct sequence, spread spectrum (CCK,
DQPSK, DBPSK)
Power output 32 mW (15 dBm)
Data rate 11 Mbps (High), 5.5 Mbps (Medium), 2 Mbps
(Standard), 1 Mbps (Low) with automatic
fallback for increased range