GSM GPRS SIM900 Module Expansion Board Blue

GSM GPRS SIM900 Module Expansion Board Blue

The GSM / GPRS expansion board uses the SIM900 4-band GSM / GPRS module. Provides GSM / GPRS extension for Ar.duino main control board. With this expansion board, Ar.duino can send and receive short messages, as well as GPRS data connection communication.

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Product Details

GSM / GPRS SIM900 Module Expansion board wireless module for uno r3


Product Introduction:
The GSM / GPRS expansion board uses the SIM900 4-band GSM / GPRS module. Provides GSM / GPRS extension for Ar.duino main control board. With this expansion board, Ar.duino can send and receive short messages, as well as GPRS data connection communication.


GPRS Shield compatible with all standard for uno development board. GPRS Shield is a four -band GPRS / GSM module supports four kinds of standard band 850/900/1800 / 1900MHz, can send SMS text messages , phone calls , faxes and all other mobile phones with GPRS function. GPRS Shield allows you to very quickly understand wireless handset development processes and development .

GPRS Shield of three operating modes:
Short Message Service text messaging service model
Audio music mode
GPRS mode
Module uses a standard 2.54 pin connector onboard a super capacitor can guarantee in case of power outages RTC module clock timing 1-2 days , can be used to study the development of mobile alarm timer .


Features:
Quad-Band 850/900/1800/1900MHz 
GPRS multi-slot calss 10/8 
GPRS mobile station class B 
Compliant to GSM phase 2/2+ 
Class 4 (2W@850/900MHz) 
Class 1 (1W@1800/1900MHz) 
Control via commands (GSM 07.07, 07.05 and SIMCOM enhanced AT Commands) 
Short message service 
Free serial port selection   
All SIM900 pins breakout 
RTC supported with Super Cap 
Power on/off and reset function supported by FOR  Arduino interface


GSM / GPRS expansion board diagram

1. There is a switch on the expansion board can choose SIM900 serial port or SIM900 debug port connection, if you choose the Debug port, you must use the Ar.duino hardware serial port to control the analog port is invalid. The board provides a Farad capacitor that powers the module's RTC.

2. Debug toggle switch, you can set the SIM900 DEBUG port connected to Ar.duino or Ar.duino ATMEGA8U2 / FT232 connected to the PC, debug debugging

3. 3.3V and 5V automatic level compatible, can be adaptive 3.3V or 5V main control board, support leaf maple and Chipkit 3.3V other platform development board


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