WIFI

1. Disadvantage

1.1. Range

1.2. Data security risks

1.3. Interference

1.4. Affect health

1.4.1. Cancer

2. Features

2.1. Wireless

2.2. High speed internet

2.3. Portable

3. usage

3.1. Mobile phone

3.1.1. Iphone

3.2. Computer

3.3. Notebook

3.4. Video game console

3.4.1. NDS

3.5. Printer

4. Advantage

4.1. User friendly

4.2. Portable

4.3. Multi access

4.4. Convenient

4.5. Inexpensive

4.6. Wireless