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2. List of WLAN channels - Wikipedia

   en.wikipedia.org/wiki/List_of_WLAN_channels

   Wireless LAN (WLAN) channels are frequently accessed using IEEE 802.11 protocols. The 802.11 standard provides several radio frequency bands for use in Wi-Fi communications, each divided into a multitude of channels numbered at 5 MHz spacing (except in the 45/60 GHz band, where they are 0.54/1.08/2.16 GHz apart) between the centre frequency of the channel.

3. 2.4 GHz radio use - Wikipedia

   en.wikipedia.org/wiki/2.4_GHz_radio_use

   Many Zigbee/IEEE 802.15.4-based wireless data networks operate in the 2.4–2.4835 GHz band, and so are subject to interference from other devices operating in that same band. The definition is for 16 channels numbered 11–26 to occupy the space, each 2 MHz wide and spaced by 5 MHz. The F 0 of channel 11 is set at 2.405 GHz. The DSSS scheme is ...

4. Wi-Fi - Wikipedia

   en.wikipedia.org/wiki/Wi-Fi

   The 802.11 standard provides several distinct radio frequency ranges for use in Wi-Fi communications: 900 MHz, 2.4 GHz, 3.6 GHz, 4.9 GHz, 5 GHz, 6 GHz and 60 GHz bands. [92] [93] [94] Each range is divided into a multitude of channels. In the standards, channels are numbered at 5 MHz spacing within a band (except in the 60 GHz band, where they ...

5. Wi-Fi 6 - Wikipedia

   en.wikipedia.org/wiki/Wi-Fi_6

   Wi-Fi 6E introduces operation at frequencies of or near 6 GHz, and superwide channels that are 160 MHz wide, [17] the frequency ranges these channels can occupy and the number of these channels depends on the country the Wi-Fi 6 network operates in. [18] To meet the goal of supporting dense 802.11 deployments, the following features have been ...

6. LTE in unlicensed spectrum - Wikipedia

   en.wikipedia.org/wiki/LTE_in_unlicensed_spectrum

   LTE-Unlicensed is a proposal, originally developed by Qualcomm, for the use of the 4G LTE radio communications technology in unlicensed spectrum, such as the 5 GHz band used by 802.11a and 802.11ac compliant Wi-Fi equipment. [2] [3] It would serve as an alternative to carrier-owned Wi-Fi hotspots. Currently, there are a number of variants of ...

7. Long-range Wi-Fi - Wikipedia

   en.wikipedia.org/wiki/Long-range_Wi-Fi

   The main drawbacks of 2.4 GHz vs. these lower-frequency options are: poor signal penetration – 2.4 GHz connections are effectively limited to line of sight or soft obstacles; far less range – GSM or CDMA cell phones can connect reliably at > 16 km (10 mi) distances; the range of GSM, imposed by the parameters of time-division multiple ...