Together with GMS / GPRS / GPS shield this module can communicate your Arduino with any phone land line or Cell phone in the world, within GSM signal range. Which goes as far as your cellphone.
Connect DFRobot mp3 module to this board to enable audio feedback when pressing keys, or a welcome message when the phone call is established. Enable GPS geo location mapping, and DTMF moving functions to have a GSM wireless networking remote controlled robot.
Note: For use with the GSM / GPS / GPRS shield, you will need an male-male 3.5mm audio cable.
- Audio socket for application
- Speaker connector for audio sound checking.
- Microphone connector for over the air remote control system( note, due to environmental noise, without any filtering system this method is not recommended)