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What is GSM? - a definition from Whatis.com - see also: Global ...
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Mahalo Answers for gsm
What is the Difference Between GSM and CDMA? 1 AnswerGSM and CDMA are 2 Digital mobile telephony systems.GSM operates at 900 MHz or 1800 MHz frequency bandCDMA operates on 800-MHz and 1.9-GHz bandsGSM phones also ... read more
Where can i get a cheap GSM Blackberry online? 1 Answernew BlackBerry Curve 8320 phone from $.01 with new plan, Used Blackberry GSM from $60, $79, $289 @ amazon.com links below BlackBerry Curve 8320 Phone, Blue (AT&... read more
Are AT&T phones in California on Tri band GSM 900/1800/1900 Mhz? Or 850Mhz? 1 AnswerFrom what I can find, AT&T is operating on 850 Mhz in California, at least in the Bay Area. Tri-band phones are operational, but will use 1900 Mhz so covera... read more



