The main function
1.To achive the transparent data transmission between SMS and serial port,received text information by serial port and send via SMS,and output via serial if received SMS data.
2.Supported longer SMS,maximum storage is made up with 3 article SMS.
3.Baud Rate range:9600-115200,adjustable.
4.Configuration TEL number is workable for SMS output/input information.
5.Allowed telephone number communication within white list,supported seeting for binding number.