The recent spat of daylight robberies at the jewelers has prompted us to undertake this project. This is a Research & Development project having commercial value. A typical situation in case of a daylight armed robbery is that miscreants enter the shop posing as customers, suddenly they brandish their guns and ask the shopkeepers to hand over cash and valuables. The phone lines are instantly cut and no one is allowed to leave the shop. There is absolutely no way to raise an alarm or contact the police. It is not even possible to take out a cell ....etc

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MOBILE COMMUNICATIONS
(IMPLEMENTATION OF CDMA TECHNOLOGY IN CELLULAR
PHONES)
Presented By:
M.Vamsi Krishna
B.kiran sai phaneswar


ABSTRACT:

A wireless digital communication system is a technique that allows people to communicate each other at a distance. In this paper we tried to explain one of the latest technologies of digital wire less communication systems - The CDMA and the application of this on cellular phones.CDMA is an acronym for code division multiple ....etc

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As we head into the twenty first century, wireless communication are becoming a household name currently there are over sixty million cell phone subscribers in the world cellular phones are incredibly different from regular phones . A cellular phone is actually a radio transmitter and receiver .With the advent of cellular phone came a new generation of thieves and things get even more interesting for the hacker when they discover how easy it can be clone a cell phone . This allows cellular fraud to happen. Cellular fraud is defined as the unaut ....etc

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i want abstract,introduction and conclusion on cellular technology and security ....etc

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TWO WAY STUDENT INFORMATION SYSTEM USING CELLULAR TECHNOLOGY…
INTRODUCTION
The project basically works by sending students information's (IA marks, attendance and college updates) to their guardians using GSM modem.
A GSM modem works only using AT commands.
In case, If any parents want to know regarding their pupils then they can query the institute through messaging service number .
This queries are checked by authorized personals and further they will reply to their messages.
EXISTING SYSTEM[/ ....etc

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Introduction

Cellular Digital Packet Data (CDPD) systems offer what is currently one of the most advanced means of wireless data transmission technology. Generally used as a tool for business, CDPD holds promises for improving law enforcement communications and operations. As technologies improve, CDPD may represent a major step toward making our nation a wireless information society. While CDPD technology is more complex than most of us care to understand, its potential benefits are obvious even to technological novices.

In this so-call ....etc

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i want seminar paper and ppt on this topic. can u pls send it? ....etc

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As we head into the twenty first century, wireless communication are becoming a household name currently there are over sixty million cell phone subscribers in the world cellular phones are incredibly different from regular phones . A cellular phone is actually a radio transmitter and receiver .With the advent of cellular phone came a new generation of thieves and things get even more interesting for the hacker when they discover how easy it can be clone a cell phone . This ....etc

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