Of the two, GSM is more widely used around the globe, with availability in more than 200 countries. While CDMA is used widely in the U.S., it is less common elsewhere — most estimates pin the portion of global wireless networks using CDMA at less than 20 percent. The Verizon network is a CDMA wireless network .
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3G Frequency Bands Carriers:Network:3G Bands and Frequencies:Verizon WirelessCDMA850 MHz: Band 0 1900 MHz: Band 1T-MobileGSM/UMTS/HSPA+1900 MHz: Band 2 1700/2100 MHz: Band 4SprintCDMA800 MHz: Band 10 1900 MHz: Band 2U.S. CellularCDMA850 MHz: Band 5 1900 MHz: Band 2Cell Phone Frequency Bands by Provider – Wilson Amplifiers www.wilsonamplifiers.com › Wilson Amplifiers Blog
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