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Gary Edwards

​802.11ac - CES 2015: D-Link attempts to break 1Gbps Wi-Fi speed barrier | ZDNet - 0 views

www.zdnet.com/...eaks-1gbps-wi-fi-speed-barrier

wifi MiMO 802.11ac-WAVE2

shared by Gary Edwards on 05 Jan 15 - No Cached
  • D-Link isn't using the current 802.11ac 2013 standard for its new line of high-speed routers; instead, it's using the latest Broadcom chipset based on the still unratified 802.11ac 2015 standard, aka Wave 2. This new wave of technology pushes the theoretical limit of Wi-Fi to 7Gbps.
  • In addition, Wave 2 supports multi-user MIMO, which enables simultaneous multiple spatial streams to multiple clients. Multi-user MIMO is seen as being as big an improvement for Wi-Fi as the jump from shared to switched Ethernet was for wired networking.
  • Multi-user MIMO, however, won't be supported in the AC3200. You'll need to wait for the next two models in this new Wi-Fi router family to appear later this year for that.
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  • A D-Link product manager assured me at CES that this router, and its two forthcoming even faster brothers -- the AC5300 ULTRA Wi-Fi Router (DIR-895L/R) and AC3100 ULTRA Wi-Fi Router (DIR-885L/R) -- would be brought up to code with firmware upgrades.
  • D-Link promises that the three routers in the ULTRA Performance Series will deliver "chart-topping wireless speeds up to 5.3 Gbps ." I'm not so sure about that last boast, but what I do know is that in order to break the 1Gbps barrier you'll need to use D-Link's ULTRA AC1900 Wi-Fi USB Adapter (DWA-192) on your existing laptops and desktop PCs. Even a brand new computer with an 802.11ac Wave 1 chipset won't be able to crack the high-speed wall.
  • Besides sheer speed, these new routers also feature Wireless 11AC Beamforming to enhance signal strength and throughput; Smart Connect to automatically assign clients to the wireless band providing the best bandwidth; and an advanced QoS engine with a drag-and-drop UI to provide an easy way to prioritize applications and devices.
  • The D-Link AC3200 ULTRA Wi-Fi Router is available now for $309.99. The other two routers and the AC1900 USB adapter won't show up until the second quarter, and pricing has yet to be announced.
  • Gary Edwards on 05 Jan 15
     
    "Ever since 802.11ac started appearing in routers we've been dreaming of getting honest-to-goodness 1 Gigabit per second (Gbps) Wi-Fi speeds. Ha! The fastest 802.11ac router CNET or ZDNet has seen to date, the Asus AC2400 RT-AC87U Dual-band Wireless Gigabit Router delivers 504 Megabits per second (Mbps) to clients. D-Link's new AC3200 ULTRA Wi-Fi Router (DIR-890L/R), introduced at CES, promises to deliver speeds of up to 1.3Gbps."
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