802.11a Multimedia

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Feb 10, 2012

Standards > Network Protocols > WLAN Protocols > 802.11 >
802.11a
ALSO CALLED: Wi-Fi5 DEFINITION: 802.11a is one of several specifications in the 802.11 family applicable to wireless local area networks (wireless LANs or WLANs). 802.11a provides specifications for wireless ATM systems and is used in access hubs.Networks using 802.11a operate at radio frequencies between 5.725 GHz and 5.850 GHz. The specification uses a modulation scheme known as orthogonal frequency-division multiplexing (OFDM) … Definition continues below.
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Interactive Data Center: Energy Efficiency sponsored by APC by Schneider Electric WEBCAST: This interactive data center, brought to you by our editors, explores 5 aspects of data center efficiency and provides tips and best practices to help companies make effective investment and configuration decisions. Posted: 21 Dec 2011 \| Premiered: 21 Dec 2011 TOPICS: Cooling Capacity \| Data Center Cooling \| Data Center Design \| Data Center Management \| Server Management \| Standards

The Network Evolution University: Critical Aspects of Cloud Networking Classroom sponsored by SearchNetworking.com VIRTUAL SEMINAR: The benefits of cloud computing can be great, but embarking on an extended cloud network infrastructure is a big undertaking. In this classroom you'll learn about the essential parts and functions of the cloud network to put you on the right path. Posted: 02 Nov 2011 \| Premiered: 02 Nov 2011 TOPICS: Mobile Device Management \| Network Architectures \| Network Design \| Network Infrastructure \| Network Management \| Network Management Protocols \| Network Protocols \| Network Security \| Systems Maintenance \| Wireless Infrastructure

The Network Evolution University: Essential Mobile Enterprise Technology Classroom sponsored by SearchMobileComputing VIRTUAL TRADESHOW: This classroom will give you the information to build a mobile environment with integrity, support that with a robust wireless LAN infrastructure, and leverage it with collaborative applications. Posted: 02 Nov 2011 \| Premiered: 02 Nov 2011 TOPICS: Mobile Device Management \| Network Architectures \| Network Design \| Network Infrastructure \| Network Management \| Network Management Protocols \| Network Protocols \| Network Security \| Systems Maintenance \| Wireless Infrastructure

The Network Evolution University: Next Generation Networks sponsored by SearchNetworking.com VIRTUAL SEMINAR: In order to combat the ever-evolving challenges of today’s networks, it’s time to head back to school in our exclusive Network Evolution University – Featuring three distinct classes and nine progressive learning lessons that explore all there is to know about next generation networks and how to overcome the challenges they present. Posted: 29 Sep 2011 \| Premiered: 29 Sep 2011 TOPICS: Mobile Device Management \| Network Architectures \| Network Design \| Network Infrastructure \| Network Management \| Network Management Protocols \| Network Protocols \| Network Security \| Systems Maintenance \| Wireless Infrastructure

The Network Evolution University: Securing the Next-Generation Network Classroom sponsored by SearchNetworking.com VIRTUAL SEMINAR: This classroom highlights three main areas where networking pros should be re-evaluating security methods and taking advantage of improvements in security technologies. Posted: 02 Nov 2011 \| Premiered: 02 Nov 2011 TOPICS: Mobile Device Management \| Network Architectures \| Network Design \| Network Infrastructure \| Network Management \| Network Management Protocols \| Network Protocols \| Network Security \| Systems Maintenance \| Wireless Infrastructure

Webcast: Small Cells and U! sponsored by Ruckus Wireless WEBCAST: Discover why video is affecting networks and learn how Wi-Fi is becoming a more versatile tool for wireless operators. Posted: 20 Dec 2011 \| Premiered: 20 Dec 2011 TOPICS: 3G Wireless \| 802.11 \| IEEE \| Network Capacity \| Network Management \| Network Traffic Analysis \| Network Traffic Management \| Networking \| Smart Phones \| Tablet PC \| Wi-Fi \| Wireless Networks \| WLAN

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802.11A DEFINITION (continued): … 802.11a is one of several specifications in the 802.11 family applicable to wireless local area networks (wireless LANs or WLANs). 802.11a provides specifications for wireless ATM systems and is used in access hubs.Networks using 802.11a operate at radio frequencies between 5.725 GHz and 5.850 GHz. The specification uses a modulation scheme known as orthogonal frequency-division multiplexing (OFDM) that is especially well suited to use in office settings. In 802.11a, data speeds as high as 54 Mbps are possible. There is less interference with 802.11a than with 802.11b, because 802.11a provides more available channels, and because the frequency spectrum employed by 802.11b (2.400 GHz to 2.4835 GHz) is shared with various household appliances and medical devices. For other 802.11 specifications, see the 802.xx Fast Reference.
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