GSM

white standard sim card with micro and nano casings

SIM CARDS: TYPES, USES, AND FEATURES

A sim card simply means Subscriber-Identity-Module or Subscriber-Identification-Module, it is used to access connectivity to the telecommunications network for the communication services they provide.

A sim card gives us the ability to make and receive phone calls and SMS (Short Message Service), connect to data, and other value-added services. Users can subscribe to network providers either by Contract (Post-paid services that you use and pay later) or by Prepaid (pay for subscription services or airtime before use).

what is 2g?

2G DEFINITION, ORIGIN, SPEED AND MEANING. 9 BEST FEATURES TO UNDERSTANDING GSM.

  What is 2G? 2G is the Second-Generation of Mobile Cellular Networks and it is based on the GSM (Global System for Mobile Communication) standard. It allowed for Voice calls and for the very first time, gave us the ability to send SMS (Short Message Service) and MMS (multimedia messages or simple picture messages) from …

2G DEFINITION, ORIGIN, SPEED AND MEANING. 9 BEST FEATURES TO UNDERSTANDING GSM. Read More »

2.5G Signal transmission masts cell tower

2.5G – GPRS DEFINITION, ORIGIN AND MEANING. THE EVOLUTION OF MOBILE PHONE TECHNOLOGY.

  WHAT IS 2.5G OR GPRS? GPRS is the standard generation launched after 2G and it is usually referred to as 2.5G. It fully means General Packet Radio Service. It is a packet-switching communications protocol used to describe 2G systems that have implemented a packet-switched domain in addition to an existing circuit-switched domain. Its data rates …

2.5G – GPRS DEFINITION, ORIGIN AND MEANING. THE EVOLUTION OF MOBILE PHONE TECHNOLOGY. Read More »