Wi-Fi 802.11a/b/g Overview
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This Wi-Fi Reference Poster provides a technical overview of the differences between the three major IEEE 802.11 specifications. It highlights the differences in spectrum usage, channels, capacity and data rates along with providing an overview of the 802.11 frame format.
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Wi-Fi Cousins & Nephews
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This Wi-Fi Reference Poster provides a technical and application overview for the three major divisions of wireless connectivity technologies; personal area, local area and wide area wireless. It highlights the differences between Bluetooth, Zigbee, Ultra Wideband, Wi-Fi, Wi-Max and the different data over cellular techniques.
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Wi-Fi Network Architectures
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This Wi-Fi Reference Poster provides a roadmap for delineating the four major Wi-Fi architectures IT administrators have to choose from. The poster covers 1st generation “fat” access points, 2nd generation “thin” access points plus controllers to latest generation in Wi-Fi architecture – the Array.
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Wi-Fi Range Dynamics
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This Wi-Fi Reference Poster details the relationship between range, rate and capacity and how multi-path, refraction and reflection affect a Wi-Fi network deployment. It highlights the technical differences between Omni-directional and Sectored Antennas and how the upcoming 802.11n specification that uses Multiple In Multiple Out (MIMO) antennas.
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802.11n Principles
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This Wi-Fi Reference Poster provides a detailed overview of how 802.11n differs from the current 802.11a/b/g standards. It highlights the building blocks of 802.11n including Multiple Input Multiple Output (MIMO) communications, higher data rates, modes and protection schemes expected under the upcoming 802.11n specification.
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High Performance Wi-Fi
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This Wi-Fi Reference Poster provides a technical foundation for deploying a high performance Wi-Fi network. It uses a prescriptive approach to avoiding the common pitfalls encountered when deploying a Wi-Fi network; including understanding bandwidth needs by application type and how the different Wi-Fi bands, cell sizing, channel usage, modes, latency, jitter and packet error rates affect network.
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Wi-Fi Encryption
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This Wi-Fi Reference Poster provides an overview of the encryption technologies used to ensure data confidentiality in wireless LANs. It covers WPA2/WPA security certified by the Wi-Fi Alliance as well as the CCMP, TKIP, and WEP encryption protocols standardized by the IEEE. AES and RC4 encryption are described as well as the dynamic key management elements of 802.11i.
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Wi-Fi Authentication
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This Wi-Fi Authentication Poster provides an overview of the framework used by Wi-Fi to authenticate users. It covers 802.11i, 802.1x, EAP, EAPOL, and RADIUS protocols. The poster also covers additional topics such as Fast Roaming and Web-based Authentication of users.
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