Industrial remote Modbus RTU (RS-485) controller with in-built GSM modem. The EM-486 provides access to readings from connected sensors and Modbus registers of devices connected via RS-485 interface via Modbus TCP protocol or via SMS text messages. The EM-486 includes:Flexible connectivity options (wired and wireless, automatic communication with the server, automatic or manual setting of GSM service provider and communication parameters, MAC add..