Articles

About Sim-Lock

We would like to explain to all users, what is SIM-LOCK, what is the main use of it and consequences of its removal
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GSM Overview

Overview of the Global System for Mobile Communications. History, services, architecture, mobile stations, etc.
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General GSM Information

Understanding what is gsm, what are sim-card, locked cell phone, PIN and PUK numbers and more ...
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GSM Characteristics

Technical charactecistics, gsm radio frequency spectrum, multiplexing techniques, techniques used in GSM and else
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Basic GSM Services

SMS, Voice mail, Advice of charge, WAP, GPRS, Fax and Data transmitions, roaming, etc.
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Mobile phones sales in 2003

Worldwide Sales of Mobile Terminals to End Users in 2003
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Mobile phones sales in 2004

Worldwide Sales of Mobile Terminals to End Users in 2004
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Bluetooth

About Bluetooth technology, features by version, profiles, about the name and more
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Glossary

GSM Acronyms and Glossary
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About 3GSM

New step in wireless communication
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About Wi-Fi

Few words about wi-fi technology, IEEE standards, comparing standards, using wlan, security etc.
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About E-GPS

New look on GPS for 2G and 3G Cellular Networks
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Briefly About WAP

Few words on WAP features
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Great future to mobile phones

Cell phones development progress
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First Mobile Telephone Call

Who made a first mobile phone call?
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2G

Briefly about 2G network
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3G

Briefly about 3G network
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4G

Briefly about 2G network
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Camera phone

History, video call, etc.
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Circuit Switched Data

A few words about CSD technology.
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Enhanced Data rates for GSM Evolution

A few words about EDGE technology.
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Evolution to 3G

Operators and UMTS networks. UMTS, 3G Terminals, Standartization.
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Freedom of Mobile Multimedia Access

FOMA is the brand name for the 3G services being offered by Japanese mobile phone operator NTT DoCoMo.
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GPRS

Briefly about GPRS technology.
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GPS

Few words about Global Positioning System
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GSM vs. CDMA

Comparison of mobile phone standards
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High-Speed Circuit-Switched Data

The other innovation in HSCSD is the ability to use multiple time slots at the same time
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High-Speed Downlink Packet Access

Few words about HSDPA technology.
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High-Speed Uplink Packet Access

Few words about HSUPA technology.
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IP Multimedia Subsystem

History. Basic Principles. Fixed/Mobile Convergence. Architecture. Early IMS. Advantages & Issues. Specifications.
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IrDA

Specification, Devices, etc ...
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Mobile phones sales in 2005

Worldwide Sales of Mobile Terminals to End Users in 2005
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Mobile phones sales in 2006

Worldwide Sales of Mobile Terminals to End Users in 2006
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Push-to-talk

How the technology works. Current use in mobile telephony.
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Smartphone

Definition and history. Operating systems.
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Universal Mobile Telecommunications System

UTMS Features, Real-world implementations. Technology. Spectrum allocation.
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W-CDMA

Briefly about W-CDMA technology.
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