1. Router setup method
Check whether the WAN port to Public IP address, (WAN IP Address must be a public IP).
Port Forwards port: 23419 IP: PC address
2. Set the module parameters
3. Computer connected to a wireless router openwrt
4. Check computer’s IP address 192.168.1.231
5. Check computer’s IP address
6. GPRS modems serial port to connect PC, using serial debug software, serial port to send data to the GPRS modems.
7. VCOM virtual serial port software Settings.
Communication test: