Catalog > Internet of Things (IOT) Related Products > More Platforms SIM900 GSM GPRS Quad Band Modules Quad Band SIM900 GSM GPRS BSK GPRS/GSM SIM900 MODULE SIM900A GSM/GPRS TRANSMISSION MODULE Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview SIM900 Shield GPRS expansion board is 100% compatible with all standard Arduino development board Features Material : Plastic Color : Blue Quad-Band 850/900/1800/1900 MHz GPRS multi-slot class 10/8 GPRS mobile station class B Compliant to GSM phase 2/2+ Class 4 (2 W @ 850 / 900 MHz) Class 1 (1 W @ 1800 / 1900MHz) Control via AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced Commands: SIMCOM AT Commands. Power select - select the power supply for GPRS shield(external power or 5v of arduino) Power jack - connected to external 4.8~5VDC power supplyv Antenna interface - connected to external antenna Serial port select - select either software serial port or hardware serial port to be connected to GPRS Shield Hardware Serial - D0/D1 of Arduino Software serial - D7/D8 of Arduino Status LED - tell whether the power of SIM900 is onv Net light - tell the status about SIM900 linking to the net UART of SIM900 - UART pins breakout of SIM900 Microphone - to answer the phone call Speaker - to answer the phone call GPIO,PWM and ADC of SIM900 - GPIO,PWM and ADC pins breakout of SIM900 Power key - power up and down for SIM900 Low power consumption - 1.5mA(sleep mode) Industrial Temperature Range - -40 to 5 Celsius +8 Package includes: 1x SIM900 GSM GPRS Quad-Band Modules 2G Development Shield Board for Arduino UNO R3 Mega with antenna and Nano Sim Adapter 1x GSM antenna 1 set Nano Sim Adapter kits Downloads Datasheet - GPRS-GSM SIM900 MODULE PDF File 31.39 KB