SIM900 Quad-band GSM/GPRS Shield for Arduino UNO/MEGA/Leonardo ROHS
This is a SIM900 GSM/GPRS Shield for Arduino UNO/MEGA/Leonardo. It support 850/900/1800/1900MHZ, so can be used all over the world. You can use it to make a phone call, send SMS or transfer your data to internet.
On the board there is a speaker socket and a microphone socket that can be used for the phone call.
This board can be compatible with Arduino Uno,Mega or Leonardo, for serial communciation there are sereral ports of arduino can be used. For RX port of SIM900, you can connect it to D1/D3 of arduino conveniently through the jumper. For TX port of SIM900, you can also connect it D0/D2/D8/D10 of arduino conveniently.
Features Of the Board
- Speaker and Microphone ports.
- 12 GPIOs,2 PWMs, and some other ports which are convenient for your project.
- Compatible with Arduino UNO/Mega/Leonardo
- RTC Battery: Not included, because of the restriction of shipping company. The model is MS621 or MS621FE
We provide detailed specification, demo code for arduino and the schematic. Please contact us if you need the schematic and other information. We only provide the schematic to our customers.