The wireless GPRS/EDGE router ER75i enables the user to connect various devices – mostly computers, control devices, LAN networks, ATMs, etc. – to the Internet or intranet via GPRS/EDGE. Any device may be connected through the Ethernet interface 10/100. Through the optional port supplied upon request, you may also connect the additional devices with RS232, RS485, RS422, MBUS interfaces (for example various types of industrial measuring apparatuses, control and management systems, etc.) or devices with I/O ports.