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  2. Indoor positioning system - Wikipedia

    en.wikipedia.org/wiki/Indoor_positioning_system

    A large variety of techniques and devices are used to provide indoor positioning ranging from reconfigured devices already deployed such as smartphones, WiFi and Bluetooth antennas, digital cameras, and clocks; to purpose built installations with relays and beacons strategically placed throughout a defined space. Lights, radio waves, magnetic ...

  3. ESP32 - Wikipedia

    en.wikipedia.org/wiki/ESP32

    ESP32 is a series of low-cost, low-power system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth.The ESP32 series employs either a Tensilica Xtensa LX6 microprocessor in both dual-core and single-core variations, an Xtensa LX7 dual-core microprocessor, or a single-core RISC-V microprocessor and includes built-in antenna switches, RF balun, power amplifier, low-noise ...

  4. Near-field communication - Wikipedia

    en.wikipedia.org/wiki/Near-field_communication

    Near-field communication (NFC) is a set of communication protocols that enables communication between two electronic devices over a distance of 4 centimetres (1.6 in) or less. [1] NFC offers a low-speed connection through a simple setup that can be used for the bootstrapping of capable wireless connections. [2]

  5. Bluetooth Low Energy - Wikipedia

    en.wikipedia.org/wiki/Bluetooth_Low_Energy

    Bluetooth Low Energy (Bluetooth LE, colloquially BLE, formerly marketed as Bluetooth Smart[1]) is a wireless personal area network technology designed and marketed by the Bluetooth Special Interest Group (Bluetooth SIG) [2] aimed at novel applications in the healthcare, fitness, beacons, [3] security, and home entertainment industries. [4]

  6. Wireless network interface controller - Wikipedia

    en.wikipedia.org/wiki/Wireless_network_interface...

    A wireless network interface controller (WNIC) is a network interface controller which connects to a wireless network, such as Wi-Fi, Bluetooth, or LTE (4G) or 5G rather than a wired network, such as an Ethernet network. A WNIC, just like other NICs, works on the layers 1 and 2 of the OSI model and uses an antenna to communicate via radio waves.

  7. Wi-Fi 7 - Wikipedia

    en.wikipedia.org/wiki/Wi-Fi_7

    IEEE 802.11be, dubbed Extremely High Throughput (EHT), is a wireless networking standard in the IEEE 802.11 set of protocols [ 9 ][ 10 ] which is designated Wi-Fi 7 by the Wi-Fi Alliance. [ 11 ][ 12 ][ 13 ] It has built upon 802.11ax, focusing on WLAN indoor and outdoor operation with stationary and pedestrian speeds in the 2.4, 5, and 6 GHz ...

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