Wlan antenna
A WLAN antenna is the point of access in your wireless network card that will help to receive the signal being sent to it. Access points that distribute the signal will also have such antenna, for example ceiling mounted access points in order to give good clear coverage of the signal that it is sending out. Not all network adaptors have a physical external antenna. Laptop cards for example will not have any as everything is housed internally. This does not necessarily mean that you will be prone to receiving less strength of signal than one with an antenna though, as the technology is designed to be as efficient as possible. A WLAN antenna is simply designed to try and increased the range of the wireless local area network. If you need a boost for the signal being sent of for example, to reach a room at the top of the house when the wireless router is situated on the lower floor, an antenna can come in useful. Similarly the usage of the antenna can work the other way round. If you want to be able to pick up a wider range of wireless signals that are darting through the airwaves, then an antenna would be able to strengthen the connectivity of your network adaptor. There are also security issues with WLAN antenna. If you do utilize one, being the main distribution point of your own wireless network signal, you can position it properly to try and keep the range of the network inside the building more. Even though wireless networks are local area, their broadcast range often takes them outside of the walls of the building in which they are housed. This can raise security issues, especially for companies, as their network reaches out into the public domain. By positioning the network antenna however, you can reduce somewhat the risk of the signal escaping the internal environment. Good planning of a network will allow you to see where the best position for a WLAN antenna would be, from the point of view of security and functionality. There are different types of network antenna available, all designed to handle different frequency ranges which WLAN technology uses. It is also possible to boost the signal by making a homemade antenna and there are instructions to do this across the Internet. Always check the positioning of your antenna, be it on the main access point, such as the router, or the network card in the station. It can make a difference to the strength of signal being received or sent.
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