Arduino GPR GSM Module Sim900 With the help of the sim900 gsm gprs module, Arduino can join your local mobile service provider's cellular network using a SIM card. The GSM shield allows you to communicate with other devices via SMS, Voice (DTMF), and GPRS service.
Arduino GSM GPRS Module Features
- Selectable HW/SW serial port via built-in bridge.
- Four-band global network support.
- Integrated TCP/IP stack.
- Built-in headphone and microphone connectors.
- Built-in LED indicators for Ringer, Status, Network, and Power.
- DTMF SIM900 firmware enabled
- High-efficiency built-in DC-DC converter.
- ESD Protected SIM card and Audio interface.
- SMT machine mounted and high-quali Show More