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Wireless Standards

802.11 encompasses several standards, including 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac, and 802.11ax. These standards differ in channel usage, operational frequency bands (2.4GHz and 5GHz), and data rates. The 2.4 GHz frequency offers a longer range but can suffer from more interference, while the 5 GHz frequency provides faster speeds but has a shorter range and better resistance to interference in wireless technology.

The 802.11 family of standards encompasses various iterations, each with distinct characteristics, and satisfies different wireless networking needs and scenarios:

  • 802.11a: Operates on the 5 GHz band, providing faster data rates but shorter range.
  • 802.11b: Uses the 2.4 GHz band, offering slower speeds but better range.
  • 802.11g: Also on the 2.4 GHz band, with improved data rates compared to 802.11b.
  • 802.11n: Utilizes both 2.4 and 5 GHz bands, offering higher speeds, multiple antennas, and better range.
  • 802.11ac: Primarily on the 5 GHz band, providing even faster speeds, improved channel bonding, and beamforming technology.
  • 802.11ax (Wi-Fi 6): Works in both bands, with enhanced efficiency, capacity, and performance in dense environments.