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  1. IEEE 802.11ah is a wireless networking protocol published in 2017 called Wi-Fi HaLow (/ ˈ h eɪ ˌ l oʊ /) as an amendment of the IEEE 802.11-2007 wireless networking standard. It uses 900 MHz license-exempt bands to provide extended-range Wi-Fi networks, compared to conventional Wi-Fi networks operating in the 2.4 GHz, 5 GHz and 6 GHz bands.

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  2. 802.11ah operates in sub-gigahertz unlicensed bands. Each world region supports different sub-bands, and the channels number depends on the starting frequency on the sub-band it belongs to.

    #
    F 0 (mhz)
    Dsss(frequency Range (mhz))
    Dsss(channel 22 Mhz)
    14
    2484
    2473–2495
    14
    13
    2472
    2461–2483
    11
    12
    2467
    2456–2478
    11
    11
    2462
    2451–2473
    11
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  4. IEEE 802.11ah enables new use cases such as smart grid and smart metering for 802.11 with an increased transmission range that reaches up to 1 km at 150 kbps. H IEEE 802.11ah: Energy efficient MAC protocols for long range wireless LAN | IEEE Conference Publication | IEEE Xplore

  5. The emerging IEEE 802.11ah, aka Wi-Fi HaLow, is a promising communication standard that supports a massive number of heterogeneous devices in the Internet of Things (IoT). It utilizes sub-1 GHz license-exempt bands to provide an extended range to the Wi-Fi networks.

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