... 3)especially for slim and compact demands of design SIM900 GSM GPRS module, Quad-band, industrial standard Sim900,SIM900 Simcom ... ,Simcom modules,modulesFeaturing an industry-standard interface, the SIM900 delivers GSM/GPRS 850/900/1800/1900MHz performance for voice, SMS, Data ... kbps* USSD* Non transparent mode* PPP-stackSpecifications for SMS via GSM/GPRS* Point to point MO and MT* SMS cell broadcast ...