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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. Spektrum RC - Wikipedia

    en.wikipedia.org/wiki/Spektrum_RC

    Spektrum broke the run of twelve consecutive Readers' Choice Award by Radio Control Car Action for Best Transmitter achieved by one of its rivals, Airtronics with the DX4R in 2008 and has maintained its consecutive run since. [2] Bind-N-Fly is a model that is ready to fly or drive once bound to an existing compatible transmitter. Spektrum was ...

  4. Radio - Wikipedia

    en.wikipedia.org/wiki/Radio

    Some models use digital modulation to prevent unauthorized reception by scanner radio receivers; these operate in the 900 MHz, 2.4 GHz or 6 GHz ISM bands. [110] European standards also support wireless multichannel audio systems (WMAS) that can better support the use of large numbers of wireless microphones at a single event or venue.

  5. Wireless keyboard - Wikipedia

    en.wikipedia.org/wiki/Wireless_keyboard

    A wireless keyboard can be connected using RF technology with the help of two parts, a transmitter and a receiver. The radio transmitter is inside the wireless keyboard. The radio receiver plugs into a keyboard port or USB port. Once the receiver and transmitter are plugged in, the computer recognizes the keyboard and mouse as if they were ...

  6. IEEE 802.11n-2009 - Wikipedia

    en.wikipedia.org/wiki/IEEE_802.11n-2009

    The 2.4 GHz ISM band is fairly congested. With 802.11n, there is the option to double the bandwidth per channel to 40 MHz (fat channel) which results in slightly more than double the data rate. However, in North America, when in 2.4 GHz, enabling this option takes up to 82% of the unlicensed band.

  7. Radio transmitter design - Wikipedia

    en.wikipedia.org/wiki/Radio_transmitter_design

    A radio transmitter or just transmitter is an electronic device which produces radio waves with an antenna. Radio waves are electromagnetic waves with frequencies between about 30 Hz and 300 GHz. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna. When excited by this alternating current, the ...

  8. IEEE 802.11ah - Wikipedia

    en.wikipedia.org/wiki/IEEE_802.11ah

    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. It also benefits from lower energy consumption, allowing the creation of large groups of stations or sensors that cooperate to share signals, supporting the concept of the ...

  9. Wi-Fi 6 - Wikipedia

    en.wikipedia.org/wiki/Wi-Fi_6

    Wi-Fi 6, or IEEE 802.11ax, is an IEEE standard from the Wi-Fi Alliance, for wireless networks . It operates in the 2.4 GHz and 5 GHz bands, [9] with an extended version, Wi-Fi 6E, that adds the 6 GHz band. [10] It is an upgrade from Wi-Fi 5 , with improvements for better performance in crowded places.