1. WiFi
1.1. Introduction
1.1.1. popular technology that allows an electronic device to exchange data or connect to the internet wirelessly using radio waves.
1.1.2. devices can connect to a network resource via wifi
1.2. history
1.2.1. Wifi has its origins in 1985
1.2.2. In 1999, the Wi-Fi Alliance was formed as a trade association
1.2.3. The first wireless products were under the name WaveLAN.
1.2.4. Vic Hayes has been called the "father of Wi-Fi"
2. Pros and Cons
2.1. Advantages
2.1.1. reduce associated costs of network connection
2.1.2. WiFi products are extensively available in the market
2.1.3. WiFi networks can support roaming
2.1.4. WiFi has a set of global standards
2.2. Limitations
2.2.1. Wi-Fi networks have limited range
2.2.2. Wi-Fi connections can be disrupted
2.2.3. incurred data security risks
3. applications
3.1. access devices
3.1.1. personal/tablet computers
3.1.2. smartphones
3.1.3. some digital cameras
3.1.4. some printers
3.2. connecting devices
3.2.1. wireless router
3.2.2. modem router
3.2.3. mini 3G wifi router
3.2.4. USB Wifi