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  2. Beacon frame - Wikipedia

    en.wikipedia.org/wiki/Beacon_frame

    Beacon frame. A beacon frame is a type of management frame in IEEE 802.11 WLANs. It contains information about the network. Beacon frames are transmitted periodically; they serve to announce the presence of a wireless LAN and to provide a timing signal to synchronise communications with the devices using the network (the members of a service ...

  3. Marconi and Marconi Wireless Station National Historic Sites

    en.wikipedia.org/wiki/Marconi_and_Marconi...

    Marconi National Historic Site, located at Table Head in Glace Bay, is the site of Guglielmo Marconi's first transatlantic wireless station, callsign VAS, and the first wireless message sent from North America to Europe on December 15, 1902. [1] The site features the remnants of Marconi's transmission towers, a modern amateur radio station ...

  4. Orthogonal frequency-division multiplexing - Wikipedia

    en.wikipedia.org/wiki/Orthogonal_frequency...

    OFDMA is also a candidate access method for the IEEE 802.22 Wireless Regional Area Networks (WRAN). The project aims at designing the first cognitive radio-based standard operating in the VHF-low UHF spectrum (TV spectrum). the most recent amendment of 802.11 standard, namely 802.11ax, includes OFDMA for high efficiency and simultaneous ...

  5. Wireless device radiation and health - Wikipedia

    en.wikipedia.org/wiki/Wireless_device_radiation...

    Wireless networking. Most wireless LAN equipment is designed to work within predefined standards. Wireless access points are also often close to people, but the drop off in power over distance is fast, following the inverse-square law. However, wireless laptops are typically used close to people.

  6. Rogue access point - Wikipedia

    en.wikipedia.org/wiki/Rogue_access_point

    Rogue access point. A rogue access point is a wireless access point that has been installed on a secure network without explicit authorization from a local network administrator, [1] whether added by a well-meaning employee or by a malicious attacker.

  7. Municipal wireless network - Wikipedia

    en.wikipedia.org/wiki/Municipal_wireless_network

    A municipal wireless network is a citywide wireless network. This usually works by providing municipal broadband via Wi-Fi to large parts or all of a municipal area by deploying a wireless mesh network. The typical deployment design uses hundreds of wireless access points deployed outdoors, often on poles. The operator of the network acts as a ...

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