Use high power antennas to send a signal long distances to a very specific and focused point. Range & Radiation Patterns of Antennas Radio waves do not penetrate obstacles very well.High-gain antennas have a flat radiation pattern: So, a larger antenna will only help for long range; it will not help if you have differing elevations. Ak pentagram hornet wifi pci 802.11g drivers. The higher the gain, flatter the signal radiation pattern.Low power antennas send their signals to higher and lower elevations in local area: Everywhere within their 100-200 foot range.Antenna gain acts on both the transmit power and receiver sensitivity, so you are not only sending your signal further but you are also able to receive much weaker signals within its line of site.Gain of an antenna is a measure of its enhancement of signal strength: Gain is measured by the dBi rating.Calculating Gain from addition of an antenna:. 3 dB rule: For every 3 dB increase in level, the power is doubled. For every 3 dB decrease, the power is cut in half.
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Running A Rapid Scan On Your Hard Drive With Avast! FreeAvast Free Antivirus is an efficient and comprehensive antivirus program. It is one of the most popular antivirus programs available, thanks to the reliable and trustworthy brand that Avast have created. The key features that continue to make Avast Free Antivirus so popular are the easy UI, optimized scanning options and continuously updated database of virus definitions.Simple, improved UIThe latest version includes a much simpler and quicker to use UI than previous versions. Key features can be easily reached in the sidebar and the homepage is now customizable so you can access the tools you use most often directly.
Avast 4.0 Pro 4.8 1
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- Antivirus version 4.8 and earlier will discontinue virus definition updates by January 2017. Refer to a list of frequently asked questions below for information about updating to the latest version of Avast Antivirus from version 4.8.
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