Generalfeatures?Dual-bandGSM/GPRS900/1800MHz(850/1900MHz)?ComplianttoGSMphase2/2+?Outputpower: Class4(2W)forGSM850,EGSM900 Class1(1W)forDCS1800,PCS1900?ControlviaATcommands?SIMApplicationToolkit?Supplyvoltagerange3.5V--4.5V?LowPowerconsumption?Dimensions:20x28x2.85mm?Weight:7.5g?Ambienttemperature: 30 C--+80 CSpecificationsforaudio?Halfrate(HR)?Fullrate(FR)?Enhancedfullrate(EFR)?Adaptivemultiplerate(AMR)?BasichandsfreeoperationSpecificationsfordatatransfer?CSDupto14.4kbps?GPRSclass10:MAX85.6kbps(downlink)?USSD?Nontransparentmode?PBCCHsupport?PPP-stack?CodingschemesCS1,2,3,4SpecificationsforSMS?Point-to-pointMOandMT?SMScellbroadcast?TextandPDUmodeSpecificationsforfax?Group3,class1Additionalfeatures:?Multipartycall?Phonebook?Realtimeclock?Alarmmanagement?Severalringingtones?DTMFInterfaces 北京九州恒信技術(shù)發(fā)展有限公司聯(lián)系人：楊小姐電話(huà)：010-82625981傳真：010-62102036地址：北京市海淀區(qū)中關(guān)村知春路豪景佳苑2號(hào)樓504室www.jiuzhouhx.com