gsm erika t
Post on 08-Sep-2014
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GSMErika Takeuchi7.10.10
What is it?
Global System for
Mobile Communications
1982 1991
4.3 billion
212 countries/territorie
s
GSM vs. CDMA
Why is it important?
SIM card
1. Consumers2. Network operators
SMS
Credits http://en.wikipedia.org/wiki/GSM http://www.gsmworld.com/ http://en.wikipedia.org/wiki/GSM_services http://
weblogs.baltimoresun.com/business/consuminginterests/blog/apple-iphone.jpg
http://www.saidaonline.com/en/newsgfx/simcards1.jpg http://
www.cartoonstock.com/newscartoons/cartoonists/rma/lowres/rman740l.jpg
http://www.wpparadio.com/radio_tower.gif
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