WIFI

1. usage

1.1. Mobile phone

1.1.1. Iphone

1.2. Computer

1.3. Notebook

1.4. Video game console

1.4.1. NDS

1.5. Printer

2. Disadvantage

2.1. Range

2.2. Data security risks

2.3. Interference

2.4. Affect health

2.4.1. Cancer

3. Features

3.1. Wireless

3.2. High speed internet

3.3. Portable

4. Advantage

4.1. User friendly

4.2. Portable

4.3. Multi access

4.4. Convenient

4.5. Inexpensive

4.6. Wireless