... Description MC55i, GSM module , SIEMENS moduleDesigned for global market, MC55i is Quad band: GSM 850/900/1800/1900MHz. GPRS:Multislot Class 10Full PBCCH ... -transparent2.4, 4.8, 9.6, 14.4kbpsUSSDPPP-stack for GPRS data transferSMS:Point-to-point MT and MOCell broadcastText and ... locations in mobile equipmentTransmission of SMS alternatively over CSD or GPRS. Preferred mode canbe user defined.