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MIMO is unquestionably the biggest development for 802.11n and the key to the new speeds. First among these new technologies is multiple input multiple output (MIMO) antenna technology. But how is this done? 802.11n takes the best from the 802.11 standards and mixes in some new features to take wireless to the next level. The Magic Behind 802.11nĨ02.11n is poised to bring about the next big change in wireless networking, promising greater distances and staggering speeds.
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In practical operation, 802.11n speeds will be much slower.īe prepared to answer questions on the specific characteristics of wireless standards on the Network+ exam. The baseline goal of the standard was to reach speeds of 100Mbps, but given the right conditions, it is estimated that the 802.11n speeds might reach a staggering 600Mbps. The goal of the 802.11n standard is to significantly increase throughput in both the 2.4GHz and the 5GHz frequency range.
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Both offered 1 or 2Mbps transmission speeds and the same RF of 2.4GHz.
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The 802.11 wireless standards can differ in terms of speed, transmission ranges, and frequency used, but in terms of actual implementation they are similar. Remember, 802.11 wireless standards use the CSMA/CA access method. Any idea about how difficult it will be to switch the wifi NIC? Will that void my warranty for the tablet? Do you think it is a good idea?ģ) Even if my NIC supports 5.The Network+ exam will have questions on the characteristics of the wireless standards. So, I was thinking that I could go for the generic card and if it's performance is not acceptable, I can just buy the Intel card afterwards and swap it. Where HP is charging $25 "premium" over the generic card for the Intel one, the Intel Wifi Link 1000 PCI Express Half Mini card is available for about $15~20 (source: Google Products).
Wireless lan 802.11b/g/n Bluetooth#
If the battery drain is high then I would prefer buying only wifi NIC and a separate bluetooth dongle in case I ever need it.Ģ) Lots of debate about whether the Intel card is better or not. lets say it says alive for 6hrs with wifi+bluetooth whereas 6hr 30mins with a tablet that has only wifi). Does anyone have any idea on the extent of the battery drain due to only bluetooth? (ie. But now I'm more confused and have more questions!ġ) It seems if I take the bluetooth option for either generic or Intel, I won't be able to shutoff bluetooth without shutting down wifi.