![]() The Wi-Fi technology is used all over the world by a variety of people on a variety of devices. If not present, the channel is free for transmission. In order to determine whether the channel is free, the carrier wave can be sensed by the hardware. Each station is constantly tuned in on the channel, so each transmission is noticed. Transmissions on this channel are received by all stations within range.Ī carrier wave is used to transmit the data in packets, referred to as ethernet frames, which had previously been sent through an ethernet cable before the wireless technology was invented. All of these stations share a single radio frequency communication channel. The combination of computer and interface controller is called a station. In order to connect to Wi-Fi, a computer has to be equipped with a wireless network interface controller. ![]() This new device enables Wi-Fi products to communicate directly with each other without going through a wireless access point such as an internet hub. In 2010, the Wi-Fi alliance, a new spec was called Wi-Fi Direct. The Wi-Fi Alliance as previously renamed WECA in 2002 is based in Austin Texas. Just because a product does not carry a logo does not mean that it is not compliant for computer devices, it might just mean that it has not been certified yet. All certified wireless technology products carry the Wi-Fi logo. The Wi- Fi Alliance is a trade association that promotes wireless LAN technology and certifies products if they perform to appropriate standards.
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