There are several technologies working out there that call them selves wireless. The one we are most familiar with is the IEEE802.11g protocol that we use in our houses. This technology uses the 2.4GHz frequency to send Internet throughout your home or business at up to 54Mbps(mega bits per second). In comparison, if you are wired you connect at 100Mbps. Another technology is the cellular Internet sold by Verizon and Cingular (AT&T). In this technology you plug in a PC card in your laptop and get up to 144Mbps if there is cellular Internet service available. But just like Cell phone service "Can you here me know" is the cry when you go out of cellular Internet range.
A new protocol IEEE802.11n will increase the wireless speed in your home or business to 108Mbps. It will also add MIMO (multiple input/multiple output) for increased bandwidth and strength of signal. The new protocol will not be approved until 2008 at the earliest. Many manufacturers are building wireless routers and access points that are called PRE-N standard. Unfortunately not many of the PRE-N devices are standard. That means if you have a Belkin PRE-N device it may not work with a Linksys or Apple PRE-N device. That's why they call it a standard and its not done yet!
So how fast can we stream the Internet wirelessly? Some say the new 802.11n protocol will be the limit in the 2.4.Ghz frequency. If we change to microwave or TV frequencies there are new technologies that theoretically get us to 3000Mbps wireless. Wow now that would be fast. As we try to stream more videos and movies that would be helpful. There are several Internet services selling movies on the web that you download or view in real time.
Monday, June 18, 2007
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