Detailed Product Description ZTE CDMA wireless Modem,MG8720,Build-In english software, instead of ZTE MG880+,MG880U,Huawei Ec121CDMA 2000 ... .6Kbps data rateSupport Data, voice and SMS functionPlug & Play,Build-in English driverMicro SD Slot ,Support TF Card expandationSupport Windows 2000 ...