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802.11a


802.11a operates in the UNII (Unlicensed National Information Infrastructure) 5GHz band and supports transmission rates up to 54Mbps. 802.11a uses Orthogonal Frequency Division Multiplexing (OFDM), as opposed to the DSSS or FHSS schemes used in 802.11b and 802.11 networks. Due to its higher frequency of operation, the range of 802.11a equipment is less that of lower frequency systems such as 802.11b and 802.11g. This can increase the cost of an 802.11a network, because a greater number of access points may be required. Since it operates in a different RF band, 802.11a cannot work directly with 802.11b or 802.11g equipment. Using multi-mode 802.11a/b/g access points and/or client adapters will resolve this problem.

How to implement 802.11a


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Tutorials and explanations of other WiFi terms:

802.11  802.11a  802.11b  802.11g  802.11i  802.11n  802.1x  802.3  802.x  Access Point  Ad-Hoc  AES  AirTime Fairness  Association  Authentication  Band Steering  Bridge  BSS  BSSID  Co-channel Interference  dB  dBi  dBm  DSSS  DTPC  EAP  ESS  ESSID  EVM  EWG  FEC  FHSS  Fragmentation  Fresnel Zone  Hidden Node  HT  Hz  IBSS  IEEE  Infrastructure Mode  inSSIDer  Intel MWT  Interference  ISM  LAN  MAC  MCS  MIMO  Mobile VoIP  Multipath  Mutual Interference  OFDM  Passphrase  PCI Wireless Compliance  Peer-peer  Protocol  PSK  PSMP  Repeater  RF  Roaming  RTS/CTS  Security  SGI  Signal Strength  SIP Trunk  Site Survey  SMPS  SNMP  Spectrum Analysis  SSID  Throughput Booster  UMA  UNII  VoFi  Voice over WLAN  Voice-Enterprise  Voice-Personal  WAPI  WEP  WGB  Wi-Spy  WiDi  WiFi  Wireless  Wireless Security  Wireless Site Survey  Wireless Tutorials  Wireless-N  WMM  WPA  WPA Enterprise  WPA Personal  WPA-PSK  WPA2  

WPA2 is a term used in 802.11 WiFi wireless networks (Wi-Fi Wireless LANs / WLANs).



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