What Is Wifi

The Wireless Fidelity invented by the international organization to review and approve companionability. Wi-Fi 802.11 interrelated standards, was planned by the IEEE and create the beginning of the construction of wireless. Defines wireless communication many ways to build a link between the transmitter and the receiver as DSSS, FHSS, IR - Infrared and OFDM. In 1997, the Institute of Electrical and Electronics Engineers 802.11 user has high capacity and the world famous Cisco and 3Com are interested in this technology systems guide. At the beginning, the price of Wifi was very high, but in 2002, a product hits the market that has the ability to work on the new 802.11g standard, then in 2003, the IEEE standard is worth and go light. With the use of 802.11a and 802.11b can now function as mobile and SRS Cover your desired area divided into cells controlled by the AP.Wi-Fi is available so that you can connect to the Internet from anywhere at home, office or public place without any wires. Wi-Fi is much faster than the modem and the use of different amplifiers useful to change its location in a large area. You can through WiFi hotspot using Wi-Fi at home business because it is very simple to manage. Wi Fi is a wireless technology, where the guests. In some cases, it's free and carriers cooldown. Devices such as PCI, Mini PCI, USB, PCMCIA and PC Card, ExpressCard, it is more convenient. Ermanno Recorder Pietrosemoli far as Venezuela and ESLARED decrease the distance used for.
Integrated corresponding to any other node on the Internet. Wifi router allows a gateway to the Internet, including Ethernet switches, PCI card, hub, and DHCP.There are various software tools in Wi-Fi usage. Use Aircrack-ng if you are looking for multiple platforms. To use Windows KNSGEM II, NetStumbler, OmniPeek, Stumbverter, WiFi Hopper, APTools, and if you're a Unix and Aircrack, Aircrack-PTW AirSnort, cowpatty user, etc. can be used.For MacStumble Karma Mac user, KisMAC, Kismet are the best. With the combination of its most useful tools wifi windows.

As we know radio technologies using WiFi connectivity offering a safe and consistent with the radio bands 2.4 GHz and 5 GHz wireless equipment without dependents, and Ethernet CSMA CA and facilitates the exchange path. PSK was originally in use, but now often use CCK.