Wi-fi Wi-fi is the abbreviation that stands for wireless fidelity. Wi-Fi connects you to your favorite content and communications over your mobile phone, computers and other devices - all without cumbersome cables. A Wi-Fi network can connect a family's computers, media and display devices together to share hardware and media resources such as printers, audio files and Internet access.
Wi-fi Wi-Fi networks uses radio technologies called 802.11 to provide: secure. Reliable. fast wireless connectivity.
A wireless network uses radio waves, just like cell phones, televisions and radios do.
A computer's wireless adapter translates data into a radio signal and transmits it using an antenna.
A wireless router receives the signal and decodes it. The router sends the information to the Internet using a physical, wired Ethernet connection.
Wi-Max Wi-MAX , meaning Worldwide Interoperability for Microwave Access. It is a telecommunications technology that provides wireless transmission of data using a variety of transmission modes, from point-to-multipoint links to portable and fully mobile internet access. The technology provides up to 10 Mbps  broadband speed without the need for cables. The technology is based on the IEEE 802.16 standard (also called Broadband Wireless Access).
MAIN POINTS: Wi-Fi and WiMAX were developed for different markets and different applications. The technologies can complement each other with WiMAX to the building and Wi-Fi in the building. WiMAX can also be used to replace or supplement copper or cable. Developing countries stand to benefit from WiMAX'slower infrastructure cost.