Nokia and Symbol Technologies in 1999 created an association known as WECA (Wireless Ethernet Compatibility Alliance Wireless Ethernet Compatibility Alliance). This partnership became known as Wi-Fi Alliance in 2003. The objective of this project was to create a framework that would allow more easily promote wireless technology and ensure compatibility of equipment.

In this way in April 2000 WECA certifies interoperability of equipment as standard under the IEEE 802.11b Wi-Fi. This means that the user is assured that all equipment that has the label Wi-Fi can work together seamlessly, regardless of the manufacturer of each. You can get a full list of teams that are certified Wi-Fi Alliance Certified Products.

In 2002 the association was formed WECA for almost 150 members in its entirety.

The IEEE 802.11 standard was designed to replace the equivalent of the physical and MAC layers of the standard 802.3 (Ethernet). This means that the only difference is that a Wi-Fi network is an Ethernet network how they are transmitted in frames or packets of data, the rest is identical. Therefore, an 802.11 wireless LAN is fully compatible with all the services of local area networks (LAN) cable 802.3 (Ethernet).

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