Support hardware and software WDT 
      Support  ZigBee、WIFI、2.5G/3G/4G 
      Support standard RS232(or RS485/RS422), Ethernet and WIFI port that can connect to serial, Ethernet and WIFI devices directly 
      4xLAN
      Support VPN/APN/VPDN
      Support local and remote firmware upgrade,import and export configure file
      Provide management software for remote management
Trial Sample