SimCom’s SIM340DZ is a complete quad-band GSM/GPRS solution in an SMT module ready to be embedded in a customer’s application. Featuring an industry-standard interface, the device delivers GSM/GPRS 850/900/1800/1900 MHz performance for voice, SMS, data and fax in a form factor measuring 33 x 33 x 3 mm.
The SIM340DZ is controlled via AT commands (GSM 07.07, 07.05 and SIMCOM enhanced AT commands). It operates from a supply of 3,4 to 4,5 V over the temperature range of
-40°C to +85°C. The modem interfaces to an external SIM at 3 V or 1,8 V. Other interfaces include two analog audio interfaces, RTC backup, SPI, serial and debug interface, antenna pad, charge interface and general-purpose I/Os. The devices carry GCF, CE, RoHS and FCC approvals.
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