SimCom RS-232, Quick Start Manual

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Description:
 This modem is built with SIMCOM SIM900A a Dual-band
GSM/GPRS engine.

The Modem is designed with RS232 level converter
circuitry, which allow user to directly interface with serial
port of computer.
 Default modem is in Auto baud rate mode, can be configure
it from 9600-115200 using AT commands.

Supports Serial port(RS232), Audio interface, RTC,
Phonebook Management.
 Internal TCP/IP stack to enable internet via GPRS.
 Supports SMS as well as DATA transfer application in M2M
interface.

As far as design concerned, it is very compact design and
easy to use.
 Widely used in wireless communication projects.