SMS DTU transparent transmission mode setting method
Set SMS transparent transmission mode two major commands
Configuration module operating modes: MOD said operating mode, 0 means transparent transmission mode, 1 serial command mode, two said AT command mode, 3 HTTPD Client mode, four said messaging transparent transmission mode.
Configuration command: AT + CIMOD = “4”
Set SMS transparent transmission destination number, destination number PHNUM to send text messages.
For example: AT + CIPNUM = 10086 <CR> <LF> set the destination number is 10086
1:Software setup steps
2:GPRS connected to the computer serial port
3:Mobile phones to receive and send text messages