LG UX4750

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LG UX4750
images
Company LG
Website http://lg.com/
Description
The LG UX4750 is a decent walkie-talkie cell phone for U.S. Cellular.
Specifications
CDMA 800/1900 / AMPS 800, Up to 180 min, 3.7 oz
Introduction to Cellular and GSM communications
Cellular is one of the fastest growing and most demanding telecommunications applications. Today, it represents a continuously increasing percentage of all new telephone subscriptions around the world. Currently there are more than 45 million cellular subscribers worldwide, and nearly 50 percent of those subscribers are located in the United States. It is forecasted that cellular systems using a digital technology will become the universal method of telecommunications. By the year 2005, forecasters predict that there will be more than 100 million cellular subscribers worldwide.
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GSM/GPRS modems and modules
A GSM modem is a wireless modem that works with a GSM wireless network. A wireless modem behaves like a dial-up modem. The main difference between them is that a dial-up modem sends and receives data through a fixed telephone line while a wireless modem sends and receives data through radio waves. A GSM modem can be an external device or a PC Card / PCMCIA Card. Typically, an external GSM modem is connected to a computer through a serial cable or a USB cable. A GSM modem in the form of a PC Card / PCMCIA Card is designed for use with a laptop computer. It should be inserted into one of the PC Card / PCMCIA Card slots of a laptop computer. Like a GSM mobile phone, a GSM modem requires a SIM card from a wireless carrier in order to operate.
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Mobile Phones
Cellular phone customers clearly have many different service choices that they did not have several years ago. Furthermore, it is inevitable that as the technology evolves, the quality of service will increase and the equipment cost will decrease. Older technologies will become cheaper as newer technologies are introduced to the global market.
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Short Message Service (SMS)
The Short Message Service (SMS) allows text messages to be sent and received to and from mobile telephones. The text can comprise words or numbers or an alphanumeric combination. SMS was created as part of the GSM Phase 1 standard. The first short message is believed to have been sent in December 1992 from a PC to a mobile phone on the Vodafone GSM network in the UK. Each short message is up to 160 characters in length when Latin alphabets are used, and 70 characters in length when non-Latin alphabets such as Arabic and Chinese are used.
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Multimedia Messaging Service (MMS)
Multimedia Messaging Service (MMS) is also called media messaging and picture messaging. The range of names are matched only by the range of possibilities that mms gives the user. It is now possible to send photos, sound and animations to other mobile users. no longer will you have to use a :-) face to show your happiness. You can simply take a picture and send it to a friend with a compatible mobile.
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SMS and MMS Providers
SMS messages are transferred between mobile phones via a Short Message Service Center. The SMSC is software that resides in the operators network and manages the processes including queuing the messages, billing the sender and returning receipts if necessary. An MMS message can contain any combination of graphics, photographic imagery and audio. Multimedia Messaging Service (MMS) is an end-to-end solution enabling operators to deliver a rich MMS experience to customers.
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General Packet Radio Service (GPRS)
General Packet Radio Service (GPRS) enabled networks offer 'always-on', high capacity, internet-based content and packet-based data services. By being 'always-on', users do not need to dial up for internet access like they do when using wap. This enables services such as colour internet browsing, e-mail on the move, powerful visual communications, multimedia messages and location-based services all through the handset. Although not as powerful as 3g, gprs offers a cost effective alternative that can transform the world of communication.
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Bluetooth
Bluetooth wireless technology revolutionizes the communication market by providing freedom from wired connections, in effect creating a world without wires. This technology enables users to link between computers, mobile phones, portable handheld devices, and provide connectivity to the internet.
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Java
Java is a computer language and software platform (like windows, for example). the benefit of java applications is can be created on one device but used on a variety of others such as computers, television and mobile phones. With classic arcade and latest title games now available for java enabled phones, mobile phones have been transformed in to much more than a communication device.
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Mobile Communications Software
There are many mobile communication software packages available today. We collected the best software and grouped them in different cateogries
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