This  Generic SIM900 GPRS/GSM Development Extension Board Shield Quad-Band Kit is designed specifically for Arduino and its clones. SIM900 modem designed by SIMCOM. This miniature GSM/GPRS modem can be integrated into a great number of IoT projects. It operates on frequencies 850MHz, 900 MHz, 1800 MHz, and 1900 MHz. . Using the AT command the baud rate is configurable from 1200-115200. And it is suitable for SMS, Voice as well as Data transfer applications in the M2M interface with low power consumption. This SIM900 is compatible with ARDUINO, RASPBERRY PI, ARM, AVR, PIC, 8051, etc. And can also be directly connected to a computer via Serial Port.

Specifications :

• Product - Shield Development Board Quard Band Module 
• Model No - SIM900
• Operating Voltage - 5V DC

Features :

• Quad-Band GSM/ 850/900/1800/1900MHz
• Compatible with Arduino, raspberry pi, arm, avr, pic, 8051
• power supply 12v 1amp to 2 amps max
• Use in the area of full signal strength.
• Perfectly suited for GSM based Microcontroller Projects (better than SIM300 and other GSM Modems)
• Option for connecting MIC and SPEAKER directly to GSM MODEM for calls (LINE IN also available)
• Supports communication through RS232 with DB9 Connector, TTL Pins and I2C Pins
• CALL SMS GPRS facility - MIC input, LINE input and SPEAKER output pins

Package Include :

1 x SIM900 GPRS/GSM  Shield Development Board Quard Band Module 

1 x SMA Antenna