What is 2G, 3G, 4G?

Introduction With all the recent fuss over 4G / LTE.  Pentura thought a nice blog post highlighting the changes and developments of mobile infrastructure would be interesting for our readers.  Below is a high-level description of the 2G, 3G, 3G-Femto and finally 4G networks. 2G 2G (GSM/GPRS) is the initial backbone for all mobile infrastructure.  At the front end it comprises of a Radio Tower (BTS) , and the Base…

Global Tracking of People via Mobile Networks

Introduction A recent client was concerned that their Directors were being tracked and their location (Country) was being published and updated regularly on a stalker website.  The website contained the Company name, Directors name, and the name of the Country they currently resided in followed by the Country’s flag.  The question arose; How are they tracking us? Initial thoughts were that something quite simple or trivial was happening such as…