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GSM GPRS SIM900A MODEM

REV1.0

Contents

Overview ......................................................................................................................................... 4

GSM GPRS SIM900A Modem .................................................

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Features ........................................................................................................................................... 5

Datasheets ....................................................................................................................................... 5

GSM Utility Software ..................................................................................................................... 6

Basic AT Commands for Testing ................................................................................................... 7

GSM AT Commands: ................................................................

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GPRS Commands: .....................................................................

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MODULE SETUP .......................................................................................................................... 9

POWER MODES.......................................................................................................................... 12

Power down mode..................................................................................................................... 12

Minimum Functionality Mode .................................................................................................. 12

Sleep mode ................................................................................................................................ 12

Wake up SIM900A from sleep mode ....................................................................................... 12

PINS OF GSM SIM900A Modem ................................................................................................ 13

NARATION OF GSM SIM900A MODEM................................................................................. 14

BLOCK DIAGRAMS ................................................................................................................... 15

INTERFACING UNO AND GSM SHIELD ............................................................................ 15

INTERFACING RASPBERRY AND GSM SHIELD ............................................................. 16

INTERFACING BEAGLEBOARD AND GSM SHIELD ...................................................... 17

INTERFACING MICROCONTROLLER WITH GSM SHIELD ........................................... 18

CODES ......................................................................................................................................... 19

ARM CODE.............................................................................................................................. 19

ATMEL CODE ......................................................................................................................... 19

PIC CODE ................................................................................................................................ 19

ARDUNIO CODE .................................................................................................................... 19

RASPBERRY PI CODE ........................................................................................................... 19

BEAGLEBONE CODE ............................................................................................................ 19

MSP430 CODE ......................................................................................................................... 19

Summary of Contents for SIM 900A

Page 1: ...www researchdesignlab com Page 1 GSM GPRS SIM900A MODEM REV1 0 GSM GPRS SIM 900A module with Stub Antenna and SMA connector USB USER MANUAL ...

Page 2: ...ined MODULE SETUP 9 POWER MODES 12 Power down mode 12 Minimum Functionality Mode 12 Sleep mode 12 Wake up SIM900A from sleep mode 12 PINS OF GSM SIM900A Modem 13 NARATION OF GSM SIM900A MODEM 14 BLOCK DIAGRAMS 15 INTERFACING UNO AND GSM SHIELD 15 INTERFACING RASPBERRY AND GSM SHIELD 16 INTERFACING BEAGLEBOARD AND GSM SHIELD 17 INTERFACING MICROCONTROLLER WITH GSM SHIELD 18 CODES 19 ARM CODE 19 ATM...

Page 3: ...www researchdesignlab com Page 3 GSM GPRS SIM900A MODEM REV1 0 GSM POWER SAVING ATMEL CODE 19 GSM POWER SAVING PIC CODE 19 MODULE HANDLING 20 DO S AND DONT S 20 ...

Page 4: ...as well as microcontroller with RS232 Chip MAX232 The baud rate is configurable from 9600 115200 through AT command The GSM GPRS Modem is having internal TCP IP stack to enable you to connect with internet via GPRS It is suitable for SMS Voice as well as DATA transfer application in M2M interface The onboard Regulated Power supply allows you to connect wide range unregulated power supply Using thi...

Page 5: ... 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 ...

Page 6: ... Software Bulk Message sending AT command testing terminal Provides step by step GPRS setup To download GSM GPRS Utility software click on the link below https docs google com file d 0BzrGD4zr88GnYll6dlFJT2NFY2s edit http www 4shared com file rwyHmtGOba GSM_GPRS_utility html ...

Page 7: ...ssage AT CMGR 1 to receive second message AT CMGR 2 and so on CMGL 1 REC READ 85291234567 07 05 01 08 00 15 32 145 37 MESSAGE PREFERRED SMS MESSAGE STORAGE AT CPMS CPMS SM SM SM OK AT CPMS CPMS SM 19 30 SM 19 30 SM 19 30 TO MAKE A VOICE CALL ATD9876543210 TO REDIAL LAST NO ATDL TO RECEIVE INCOMING CALL ATA TO HANGUP OR DISCONNECT A CALL ATH TO SET A PARTICULAR BAUDRATE AT IPR To view the baud rate...

Page 8: ... TIMECel COPN 502019 CELCOM GSM GPRS Commands Command Description AT CGATT ATTACH DETACH FROM GPRS SERVICE AT CGDCONT DEFINE PDP CONTEXT AT CGQMIN QUALITY OF SERVICE PROFILE MINIMUM ACCEPTABLE AT CGQREQ QUALITY OF SERVICE PROFILE REQUESTED AT CGACT PDP CONTEXT ACTIVATE OR DEACTIVATE AT CGDATA ENTER DATA STATE AT CGPADDR SHOW PDP ADDRESS AT CGCLASS GPRS MOBILE STATION CLASS AT CGEREP CONTROL UNSOLI...

Page 9: ... com Page 9 GSM GPRS SIM900A MODEM REV1 0 MODULE SETUP step 1 Insert SIMcard into the SIM slot step 2 Plug in 12V 2A DC power adapter power led is lit place jumper between PWRkey and on pin for only to turn ON automatically ...

Page 10: ... Page 10 GSM GPRS SIM900A MODEM REV1 0 step 3 Press and hold power button To turn on manually without jumper step 5 jumper setting for selecting mini USB or RS232 step 4 Connect to PC through RS232 cable or miniUSB to USB cable ...

Page 11: ...designlab com Page 11 GSM GPRS SIM900A MODEM REV1 0 step 5 open GSM GPRS utility software choose appropriate COM port and use AT commands listed in this manual for basic testing GPRS GSM messaging and voice calling ...

Page 12: ...he above functionality Sleep mode We can control SIM900A module to enter or exit the SLEEP mode in customer applications through DTR signal When DTR is in high level and there is no on air and hardware interrupt such as GPIO interrupt or data on serial port SIM900A will enter SLEEP mode automatically In this mode SIM900A can still receive paging or SMS from network but the serial port is not acces...

Page 13: ...www researchdesignlab com Page 13 GSM GPRS SIM900A MODEM REV1 0 PINS OF GSM GPRS SIM 900A module with Stub Antenna and SMA connector USB ...

Page 14: ...www researchdesignlab com Page 14 GSM GPRS SIM900A MODEM REV1 0 NARATION OF GSM GPRS SIM 900A module with Stub Antenna and SMA connector USB ...

Page 15: ...www researchdesignlab com Page 15 GSM GPRS SIM900A MODEM REV1 0 BLOCK DIAGRAMS INTERFACING UNO AND GSM SHIELD ...

Page 16: ...www researchdesignlab com Page 16 GSM GPRS SIM900A MODEM REV1 0 INTERFACING RASPBERRY AND GSM SHIELD ...

Page 17: ...www researchdesignlab com Page 17 GSM GPRS SIM900A MODEM REV1 0 INTERFACING BEAGLEBOARD AND GSM SHIELD ...

Page 18: ...www researchdesignlab com Page 18 GSM GPRS SIM900A MODEM REV1 0 INTERFACING MICROCONTROLLER WITH GSM SHIELD ...

Page 19: ...PI CODE SENDING CODE http researchdesignlab com gsm raspberry code RECEIVING CODE http researchdesignlab com gsm raspberry receiving code html BEAGLEBONE CODE SENDING CODE http researchdesignlab com gsm beaglebone send code RECEIVING CODE http researchdesignlab com gsm beaglebone receiving code html MSP430 CODE http forum researchdesignlab com MSP430 MSP GSM zip GSM POWER SAVING ATMEL CODE http re...

Page 20: ...www researchdesignlab com Page 20 GSM GPRS SIM900A MODEM REV1 0 MODULE HANDLING DO S AND DONT S ...

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