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IEEE 802.11ac-2013 or 802.11ac is a wireless networking standard in the IEEE 802.11 set of protocols (which is part of the Wi-Fi networking family), providing high-throughput wireless local area networks (WLANs) on the 5 GHz band. [d] The standard has been retroactively labelled as Wi-Fi 5 by Wi-Fi Alliance. [9] [10]
Wireless network cards for computers require control software to make them function (firmware, device drivers).This is a list of the status of some open-source drivers for 802.11 wireless network cards.
Typical 2G standards include GSM and IS-95 with extensions via GPRS, EDGE and 1xRTT, providing Internet access to users of originally voice centric 2G networks. Both EDGE and 1xRTT are 3G standards, as defined by the ITU , but are usually marketed as 2.9G due to their comparatively low speeds and high delays when compared to true 3G technologies.
802.11-1997 was the first wireless networking standard in the family, but 802.11b was the first widely accepted one, followed by 802.11a, 802.11g, 802.11n, 802.11ac, and 802.11ax. Other standards in the family (c–f, h, j) are service amendments that are used to extend the current scope of the existing standard, which amendments may also ...
There are wireless range extending devices that conform to all 802.11 protocols. Most 802.11 compliant devices are backward compatible. However, 802.11ac runs at 5 GHz and requires an access point capable of 5 GHz operation. 802.11ac equipment is backward compatible with 802.11n, 802.11g, or 802.11b equipment.
Several manufacturers sell devices that include 802.11n, HomePlug and four ports of Gigabit Ethernet connectivity for under US$100. Several are announced for early 2013 that also include 802.11ac connectivity, the combination of which with HomePlug is sold by Qualcomm Atheros as its Hy-Fi hybrid networking technology, an implementation of IEEE ...
WiGig tri-band-enabled devices, which operate in the 2.4, 5 and 60 GHz bands, deliver data transfer rates up to 7 Gbit/s (for 11ad), about as fast as an 8-band 802.11ac transmission, and more than eleven times faster than the highest 802.11n rate, while maintaining compatibility with existing Wi-Fi devices.
Airport is compatible with devices using the 802.11a, 802.11b, 802.11g, 802.11n and 802.11ac specifications. Also improved, Airport Utility has added one click Time Capsule format from the utility's Airport Time Capsule, Edit, Disks menu, allowing easy and rapid Erase Disk and Archive Disk to start over or configure Network. Disk Erase includes ...