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Finally… Faster WiFi on the go!

The CES is just a few days ahead, but Broadcom already announced to release
WiFi-chips that are compatible to the all-new 802.11ac standard. So what does
that mean to you as customer? The first thing is that the fastest WLAN-routers
and dongles can handle 450 Mbit/s at most which means 50-80 Mbit in real.

The second thing is that your current and old hardware may connect to the 802.11a/b/g/n amongst each other.

802.11ac however defines an al-new standard: The first thing is that each frequency band is 160MHz  wide to allow a theorethical bandwidth of approximately 3.6Gbit/s what brings us to a whopping 450 MB/s of theoretical data speed (excluded is overhead traffic which may be very high at such speeds as lots and lots of TCP packets have to be handled!). The downside is that you WILL need all new WiFi-hardware to reach these speeds. Yet it is unknown if there are dual-band-routers that will provide 2.4 and 5GHz networks to provide you with 802.11a/b/g (at 2.4GHz) and 802.11ac (at 5GHz) simultaneously. But if you look at the devices of Netgear, who have also announced to employ the all-new Broadcom chips, then such constellations and devices may become available!

Gamme Broadcom WiFi 802.11ac

Chipset Interface # of channels max. throughput
BCM4360 PCIe 2.0 x1 3 1,3 Gbit/s
BCM4352 PCIe 2.0 x1 2 866 Mbit/s
BCM43526 USB 2 866 Mbit/s
BCM43516 USB 2.0 1 433 Mbit/s

It seems, the WiFi industry has recognized the demand for high-speed WiFi. And although the new chips and chipsets seem to max out at 1.3 Gbit/s, you may get the idea on how fast these new WLAN-devices may become. Looks promising. And if they reach 150 Mbit/s in a distance of 10-15m then I’d be all happy!

The downsde is that in all countries the same area of the frequency must be available: namely 5 to 5.9 GHz – that’s the range, the 802.11ac standard is demanding.

Let’s see twhat the CES will show up on WiFi this year but I expect good things to come to us!

January 6, 2012 Netspark - 1594 posts - Member since: May 9th, 2011 No Comments »

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