Chapter 8, Problem 12DQ

Program Plan Intro

Wi-Fi (Wireless Fidelity):

Wi-Fi is the wireless communication technology which is capable to support high speed internet and network connections.

• Radio frequencies are used to connect sender and receiver without any wires.
• The data transfer rate of Wi-Fi is very high, which is 11 mbps (megabits per second).
• It can transmit data in the range of 2.4 GHz (Giga Hertz).
• IEEE 802.11b protocol is otherwise called as Wi-Fi (Wireless Fidelity).
• Modern laptops and other handheld devices are enabled with Wi-Fi; the users can find the Wi-Fi hotspots and can be connected using wireless routers.

3G:

3G is the Third Generation telecommunication standard for cellular devices. It was first commercially launched in Japan. It is widely used in mobile phone for the purpose of watching mobile TV, videos etc. The service provider is responsible for the activation of 3G.