SIM900D 1.New and good original packing with ROHS. 2.GSM GPRS Module ,instead of SIM300/SIM340E SIM900D General features * Quad- ... kbps* USSD* Non transparent mode* PPP-stackSpecifications for SMS via GSM/GPRS* Point-to-point MO and MT* SMS cell broadcast* ... with SIM340DZ. Featuring an industry-standard interface, the SIM900D delivers GSM/GPRS 850/900/1800/1900MHz performance for voice, SMS, Data, and ...