3g Mobiles

It is said that time and waves wait for nobody. If you walk with time you probably reach somewhere. Instead if you stay back you stay where you are. The recent technological developments show that we are going along with time and in some aspects we are going ahead of time. There are many such technological wonders that have changed the entire world. One such technological development is in the field of telecommunication. In early days people used to travel for days together to reach their destinations. It took them months to travel from one city to the other city. Apart from oceans there were no other means of travelling. Then came phones that could connect us to a near by region initially. Later as phone technology developed more and more distances were covered. Today, you can chat with someone sitting in the other corner of the globe thousands of miles away from you. Technology has reached so far that you can now not only chat with that person but even watch that person talking to you via a technology known as video conferencing and also share data instantaneously. All this has become possible only due to the advancements in the field of communication. Now almost everybody possesses a mobile phone. A mobile phone is the best source to represent technological developments. The mobile phones today come with a number of attachments as per our requirements. These attachments include camera, music players and recorders, video players and recorders, e-mail, Internet connectivity, infrared connectivity, Bluetooth just to name a few.

3g Standards

Below are listed the six standard radio interfaces for the third generation mobile phones. These are based on the International Telecommunications Unit: IMT - 2000.

- W-CDMA

- CDMA2001

- TD-CDMA/TD-SCDMA

- DECT

- CDMA2000

- UWC-136