● DIN-Rail
● Work Mode: Transparent Mode, HTTPD Client Mode, SMS Mode
● TCP Server/Client,UDP, Modbus RTU to TCP
● RS485 to 4G modems
● EFT/Surge IEC 61000-4-5 Level 3
● ESD IEC 61000-4-2 Level 3
● Hardware watchdog
● SMS,NET,Serial AT command configuration