Technical :
*It must support data networks of mobile cell phone on GPRS,GSM,3G,4G(LTE)
*It must have at least two ports that one of the ports refers to WAN and one of them refers to LAN.
*It must have at least two ports that refers to RS-422/485/232
*Connective methods must support that introduced as GRE and IPsec.
*The ability to converting of common systems of industrial automation protocols.
*Also please provide one 5DBI mobile network antenna or higher models.
*All the equipment must have ETCI European standard.
*All the equipment must be guarantee for at least two years or 24 months.
*The ability of installation of equipment in hard and bad weather situation.(Temperature situation : -30 centigrade to +70 centigrade and Moisture conditions : 10% to 90%)