... SIM340E. This is a complete Quad-band GSM/GPRS module in a B2B type and designed with a ... Featuring an industry-standard interface, the SIM900B delivers GSM/GPRS 850/900/1800/1900MHz performance for voice, SMS, ... transparent mode* PPP-stack Specifications for SMS via GSM/GPRS* Point to point MO and MT* SMS cell ... )* Embedded AT (available at Q3,2010) GSM/GPRS Sim 900B module(Antenna,Sim holder available)