The GSM/GPRS Modem uses SIM900A based Dualband 900/1800MHz GSM / GPRS modem. It can be connected to a microcontroller UART using TTL levels. It accepts external voltage 5VDC 2A as input.
This Product Includes
- SIM900A Module
- PCB antenna with cable
- Accept commands from microcontroller UART
- Works 5VDC regulated power supply
- PCB antenna external
- Small size
- Can do basic functions which can be done via normal phone like calling, send sms, access data through GPRS etc.
- Plug and play device