The 802.11 family consists of a series of half-duplex over-the-air modulation techniques that use the same basic protocol. The protocols are typically used in conjunction with IEEE 802.2, and are designed to interwork seamlessly with Ethernet, and are very often used to carry Internet Protocol traffic. Although IEEE 802.11 specifications list channels that might be used, the radio frequency spectrum availability allowed varies significantly by regulatory domain. IEEE 802.11 uses various frequencies including, but not limited to, 2.4 GHz, 5 GHz, 6 GHz, and 60 GHz frequency bands. As a result, in the marketplace, each revision tends to become its own standard. While each amendment is officially revoked when it is incorporated in the latest version of the standard, the corporate world tends to market to the revisions because they concisely denote the capabilities of their products. The base version of the standard was released in 1997 and has had subsequent amendments. The standards are created and maintained by the Institute of Electrical and Electronics Engineers (IEEE) LAN/ MAN Standards Committee (IEEE 802). IEEE 802.11 is also a basis for vehicle-based communication networks with IEEE 802.11p. IEEE 802.11 is used in most home and office networks to allow laptops, printers, smartphones, and other devices to communicate with each other and access the Internet without connecting wires. The standard and amendments provide the basis for wireless network products using the Wi-Fi brand and are the world's most widely used wireless computer networking standards. IEEE 802.11 is part of the IEEE 802 set of local area network (LAN) technical standards, and specifies the set of media access control (MAC) and physical layer (PHY) protocols for implementing wireless local area network (WLAN) computer communication. For comparison, this Netgear product, a combined router and Wi‑Fi access point from 2013, uses the 802.11ac standard in the 5 GHz band, with signalling rates up to 6933 Mbit/s. You'll then get full native support for all of the new features in OS X 10.10 Yosemite that are part of Continuity, including Handoff, Instant Hotspot and the new AirDrop.This Linksys WRT54GS, a combined router and Wi‑Fi access point, operates using the 802.11g standard in the 2.4 GHz ISM band using signalling rates up to 54 Mbit/s. With the necessary hardware requirements met for Continuity, you could then use the Continuity Activation Tool to enable support for your particular Mac model. Asus BT400, IOGEAR GBU521, GMYLE 3340).Ī far easier - albeit more expensive option - is to install an aftermarket Wi-Fi + Bluetooth "upgrade kit" from either OS X WiFi or MacVidCards, which will add 802.11 a/b/g/n/ac and enable Bluetooth 4.0 LE. If you're running Yosemite and want to take advantage of Continuity, you'd then just need to buy a third-party Bluetooth 4.0 USB dongle that utilizes the Broadcom BCM20702 chipset (e.g. You can easily DIY by finding suitable parts on eBay or Amazon and following instructions on forum sites such as MacRumors and elsewhere. The Apple Broadcom BCM94331CD adapter will add 802.11 a/b/g/n with Bluetooth 4.0 to an older Mac Pro, while the Apple Broadcom BCM94360CD adapter will enable 802.11 a/b/g/n/ac support (the primary difference between the two adapters being 802.11 ac).
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