GSM SIM800 SHIELD FOR ARDUINO
This module is built with SIMCOM Make SIM800 Quad-
The baud rate is configurable from 9600-
The modem needs only two wires (Tx, Rx) except Power supply to interface with microcontroller/Host.
5V interface for direct communication with MCU kit.
Configurable baud rate.
SMA connector with GSM L Type Antenna.
Built in SIM Card holder.
Built in Network Status LED.
Inbuilt Powerful TCP/IP protocol stack for internet data transfer over GPRS.
Input Voltage: 9V-
Headphone jack for audio out.
For testing follow the given steps:
Provide external 12v supply to DC jack.Do not power up from Arduino.
Inset the simcard.
Then push switch to ON.
Power LED is ON , as well as buzzer is ON.
There is another two LEDs will on , One is for network selection(Yellow) and
Another for range selection(Green).Range LED blinks fast that means range is in Search mode.Slow blinking indicates Network available.
Make connection with PC through TTL .
Open hyperterminal and check through commands.