20 years of GSM from NSN

A very good PPT on 20 years evolution of GSM.
Good infographics presentation.

Find the whole Presentation Click Here

Find the whole Presentation Click Here

Key Highlights 

• The World’s First commercial GSM network –July 1st 1991
• Key steps to World’s First commercial GSM network
• VintageGSM mobile phones
• GSM Evolution -gradual improvements since 1990
• GSM dominates the world today…
• GSM umbrella coverage with Single RAN Advanced
• Advancingbusiness opportunitiesin GSM
• Liquid RadioOne Simplified Network
• Nokia Siemens Networks leadership in GSM family of technologies