149
- Troubleshooting the WLAN
WLAN Specifications
Item
Specification
Type of network
The optional integrated Atheros AR9281AL1E Wireless LAN (802.11 b/g+n), Intel
Wi-Fi Link 5100 (802.11 b/g+n), and Intel Wi-Fi Link 5300 (802.11 b/g+n) devices
conform to IEEE 802.11a, 802.11b/g, and 802.11 draft-n, Wi-Fi based*.
Transfer rate
(Automatic switching) 54 Mbps maximum data rate (IEEE802.11n to be determined)
Active frequency
•
802.11n (draft): 2.4 GHz or 5 GHz
•
802.11b/g: 2400~2473 MHz
•
802.11a: 4900 ~ 5850 MHz
Number of channels
•
802.11a: 8 independent channels
•
802.11b/g: 11 channels, 3 non-overlapping channels
•
802.11n (draft):
2.4 GHz - 3 non-overlapping channels when Channel Bonding is not used; 2
non-overlapping channels when Channel Bonding is used.
5 GHz - 12 non-overlapping UNII channels with or without Channel Bonding
Typical operating distances**
•
802.11a: 40 ft. (12 m) @ 54 Mbps; 300 ft. (91 m) @ 6 Mbps
•
802.11b: 100 ft. (30 m) @ 11 Mbps; 300 ft. (91 m) @ 1 Mbps
•
802.11g: 100 ft. (30 m) @ 54 Mbps; 300 ft. (91 m) @ 1 Mbps
•
802.11n (draft): Operating distance to be determined upon release of standard.
Security
•
Encryption Types - WEP, TKIP, AES***, WPA 1.0, WPA2,CCX compliant
Encryption Key lengths Supported: 64 bits and 128 bits 802.1x/EAP
Maximum recommended number
of computers to be connected over
wireless LAN (during ad hoc
connection)
10 units or less ****