MeshNetics - 802.15.4 / ZigBee Wireless RF Modules
MeshNetics is a creator of easy-to-integrate 802.15.4 / ZigBee wireless RF modules and ZigBee PRO-certified mesh networking software, used by OEMs and system integrators to add wireless connectivity to their products and solutions. MeshNetics RF modules feature industry-leading range performance, long battery life and ultra-small footprint. They are designed for use in 868/915 MHz and 2.4 GHz frequency bands. MeshNetics is a single source of ZigBee modules, development tools, networking software, technical support, and design services.

Mocana NanoSSL Embedded SSL Client and Server

overview    

A Brief Overview of GSM
This paper will give an overview of the services offered by GSM, the system architecture, the radio transmission structure, and the signalling functional architecture.
preview: http://ccnga.uwaterloo.ca   date: 1/1/1997

overview    

Global System for Mobile Communications (GSM) @ Wikipedia
The Global System for Mobile Communications (GSM: originally from Groupe Spécial Mobile) is the most popular standard for mobile phones in the world. GSM service is used by over 2 billion people across more than 212 countries and territories.[1][2] The ubiquity of the GSM standard makes international roaming very common between mobile phone operators, enabling subscribers to use their phones in many parts of the world. GSM differs...
preview: http://en.wikipedia.org  

overview    

Introduction to GSM
Global System for Mobile Communication (GSM) is a set of ETSI standards specifying the infrastructure for a digital cellular service. The standard is used in approx. 85 countries in the world including such locations as Europe, Japan and Australia1
preview: http://www.pt.com  

overview    

Overview of the Global System for Mobile Communications
This overview is an excellent introduction to GSM, covering its history, networking concepts, communication considerations, and signal processing details.
preview: http://www.shoshin.uwaterloo.ca   date: 11/6/1999

association    

3GPP - Third Generation Partnership Project
The Partners have agreed to co-operate in the production of globally applicable Technical Specifications and Technical Reports for a 3rd Generation Mobile System based on evolved GSM core networks and the radio access technologies that they support (i.e., Universal Terrestrial Radio Access (UTRA) both Frequency Division Duplex (FDD) and Time Division Duplex (TDD) modes).
preview: http://www.3gpp.org  

association    

GSA - The Global mobile Suppliers Association
GSA - The Global mobile Suppliers AssociationRepresenting the leading GSM/3G suppliers worldwideGSA strengthens the promotion of GSM/EDGE/WCDMA worldwide in new and existing
preview: http://www.gsacom.com  

association    

GSM Association
The GSM family consists of today's GSM, General Packet Radio Service (GPRS), Enhanced Data rates for GSM Evolution (EDGE) and third generation GSM services (3GSM)*. Together these platforms create - GSM - The Wireless Evolution.
preview: http://www.gsmworld.com