Mobile Technology

Mobile (phone) or mobile phones (telgam) or phone (HP) or also referred to is an electronic telecommunications device that has the same basic capabilities with conventional fixed-line telephone, but it can be taken anywhere (portable, mobile) and does not need connected to the telephone network using a wired (wireless; wireless). Currently, Indonesia has two wireless telephone network is GSM (Global System for Mobile Telecommunications) and system of CDMA (Code Division Multiple Access). Bodies that regulate cellular telecommunications Indonesia is the Indonesian Cellular Telecommunications Association (ATSI).

History

Inventor of the first mobile phone system is Martin Cooper, a Motorola employee on April 3, 1973, although much touted inventor of the mobile phone is a team of one division of Motorola (a division of Cooper's work) with the first model is DynaTAC. The idea was initiated by Cooper is a communication tool that small and easy to carry travel flexibly.

Cooper and his team face the challenge of how to incorporate all electronic material into small-sized device for the first time. But finally a first mobile phone was completed with a total weight of weighing two kilograms. To produce it, Motorola will cost the equivalent of US $ 1 million. "In 1983, the portable cellular phone worth US $ 4 thousand (Rp36 million), equivalent to US $ 10 thousand (Rp90 million).

Having succeeded in producing a cell phone, the next biggest challenge is to adapt the infrastructure to support the mobile phone communication system by creating a network system which only requires 3 MHz spectrum, the equivalent of five TV channels are channeled to the rest of the world.

Other figures are known to be very instrumental in the world of mobile communications is Amos Joel Jr. who was born in Philadelphia, March 12, 1918, he is recognized worldwide as an expert in the field of switching. He received a bachelor diploma (1940) and master's (1942) in electrical engineering from MIT. Not long after studies, he began his career over 43 years (from July 1940-March 1983) at Bell Telephone Laboratories, where he received more than 70 US patents in the field of telecommunications, especially in the field of switching. E Amos Joel Jr., making the system connector (switching) cell phone from one region to another region of the cell. Switching it should work when mobile users move or move from one cell to another so that the conversation is not interrupted. Since the discovery of this Joel Amos cell phone use be comfortable.

Functions and features

Besides functioning to make and receive phone calls, mobile phones are generally also has the function of sending and receiving short messages (short message service, SMS). There is also a provider of mobile phone services in some countries that provide third generation (3G) by adding videophone services, as a means of payment, as well as for online TV on their mobile phones. Now, mobile phones become multifunctional gadgets. Following the development of digital technology, now the phone also comes with a wide selection of features, like being able to catch the broadcast radio and television, software audio players (MP3) and video, digital cameras, gaming, and Internet services (WAP, GPRS, 3G). In addition to these features, the phone is now embedded computer features. So in these phones, people can change the function of the mobile phone into a mini-computer. In the business world, this feature is very helpful for business people to do all the work in one place and make the job completed in a short time.

Today, the role of the mobile phone has become a necessity Primary Everyday,

Business Mobile phone type is intended for those who want a business device in your hand, usually have a cell phone that has this capability classified smart phones "smartphones". Beragai business applications contained in this phone and can make your office work can be seen and done in a mobile phone.

Mobile Entertainment is a mobile phone type of multimedia manifold, where all activities related to music, art, photos, and other social can be fixed with a mobile phone. Many of this type of phone that has its own variants, such as Music Phones, Camera Phones, and Mobile Social Internet.

Fashion Mobile phones of this type are more reliant on zoom, and can make the owner very satisfied though with features that impressed "roughing". But behind it all, a valuable Fashion Phones can be many times the price of the most advanced mobile phones. Today can be found valuable mobile phones are more expensive than the price of a vehicle even more expensive than the price of a house.

Standard Mobile phone type is intended for those who want a phone that is simple, features embedded in the phone is a core feature, without the new technology