... AMR926EJ-S 4) Performance for voice, SMS, Data, and Fax SIM900B which is compatible with the module-SIM300/340 and SIM340E ... and cost-effective solutions. Featuring an industry-standard interface, the SIM900B delivers GSM/GPRS 850/900/1800/1900MHz performance for voice ... in a small form factor and with low power consumption. SIM900B can fit almost all requirements in your M2M applications. General ...