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GSM and CDMA are 2 Digital mobile telephony systems.
GSM operates at 900 MHz or 1800 MHz frequency band
CDMA operates on 800-MHz and 1.9-GHz bands
GSM phones also use SIM Cards where CDMA don't
GSM operates at 900 MHz or 1800 MHz frequency band
CDMA operates on 800-MHz and 1.9-GHz bands
GSM phones also use SIM Cards where CDMA don't
You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
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