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GSM GPRS SIM900A MODEM
REV1.0
Features
Dual-Band GSM/GPRS 900/ 1800 MHz.
RS232 interface for direct communication with computer or MCU kit.
Configurable baud rate.
Power controlled using 29302WU IC.
ESD Compliance.
Enable with MIC and SPeaker socket.
With slid in SIM card tray.
With Stub antenna and SMA connector.
Input Voltage: 12V DC.
Jumper settings to choose between USB mini and rs232
Datasheets
AT Commands datasheet
https://drive.google.com/a/researchdesignlab.com/file/d/0BzrGD4zr88GnTkJwSll3dnhK
bTg/edit?usp=sharing
FTP Commands datasheet
https://drive.google.com/a/researchdesignlab.com/file/d/0BzrGD4zr88GnVkhacjUtY2tIU
2c/edit?usp=sharing
TCP/IP Commands datasheet
https://drive.google.com/a/researchdesignlab.com/file/d/0BzrGD4zr88GnUHRCQlJwUjd
WTVU/edit?usp=sharing