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An IEEE 802.11 Wi-Fi standard that increases transmission speeds to 600 Mbps and works in both the 2.4 GHz and 5 GHz frequency bands (see dual-band router). Although newer 802.11ac devices began to proliferate in 2013, 802.11n is expected to exist for some time because 11n speed is more than adequate for most purposes when only one or two users are transmitting at the same time.

Multiple Antennas (MIMO)
The 802.11n technology brought the use of multiple antennas, improving distance, reliability and speed. Up to four data streams can be sent simultaneously using 20MHz or 40MHz channels, providing a theoretical maximum data rate of 600 Mbps. See MIMO.

"Wi-Fi CERTIFIED n" and Draft-2.0
The official "Wi-fi CERTIFIED n" standard was ratified in 2009; however, the Wi-Fi Alliance released a preliminary "Draft-2.0" specification in 2007, also called "Draft-N," to promote interoperability among early equipment. Even before Draft-N, vendors offered "Pre-N" products. See MIMO, 802.11 and 802.11ac.

Pre-N Equipment
Prior to Draft 2.0, Belkin released this wireless router with two transmitters and three receivers to deliver up to 108 Mbps. As non-certified devices, both sides of the transmission had to be Belkin equipment. (Image courtesy of Belkin Corporation, www.belkin.com)
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References in periodicals archive ?
All experiments were performed using the D-Link DWA160 Xtreme N Dual Band Draft 802.11n USB Adapters (revision B) [21] with RAlink RT2870STA driver.
The wireless-N extends the possibilities of wireless home networking by providing a Steady-Stream approaching 300Mbps, and is compliant with draft 802.11n. It is ideal for deployment in environments where minimal downtime of network applications, superior performance, security and control is required.
D-Link Middle East, the end-to-end computer network solutions provider for consumer and business, has started shipping its Wireless 150 Router and USB adapter based on draft 802.11n technology.
<p>Many are unconvinced that enterprise Wi-Fi networks, even the high-throughput draft 802.11n flavor, can offer the reliability, security, and bandwidth demanded by current applications.
In addition to VPN flexibility, the SRXN3205 supports businesses transitioning from legacy networks to draft 802.11n networks.
With Meru's advanced approach to build next-generation WLAN infrastructure, leadership in the emerging draft 802.11n opportunities, we envision this relationship to be very active and rewarding for both organizations."
According to the In-Stat WLAN market share report, D-Link claimed the top spot with 584,000 Draft 802.11n units shipped worldwide in Q4 2007, claiming 33% of the market share, followed by Linksys at 28.4%, Belkin with 17% and Netgear at 13.2%.
The series uses Intel Centrino Pro processor technology, including Intel Core 2 Duo processors, Intel 965 Express chipset, Intel Wireless Wi-Fi Link 4965AGN supporting draft 802.11n, and Intel Active Management Technology (AMT 2.6).
Ikanos selected Atheros' XSPAN dual-band concurrent and dual-band configurable draft 802.11n solutions for the new joint reference platform.
D-Link(R), the end-to-end networking solutions provider for consumer and business, has received draft 802.11n certifications granted by the Wi-Fi Alliance(R), which officially recognized the D-Link Xtreme N(TM) Router and Notebook Adapter as Wi-Fi CERTIFIED(TM) 802.11n draft 2.0.
D-Link, an end-to-end networking solutions provider, announced on Monday (16 July) that it has received draft 802.11n certification granted by the Wi-Fi Alliance, a non-profit industry association, which officially recognised the D-Link Wireless N Gigabit Router as Wi-Fi CERTIFIED 802.11n draft 2.0.