Active GPRS I/O is a highly integrated solution that combines GPRS communications, front-end intelligence, and a front-end data logging function for information analysis and prediction. By using GPRS technology, the ioLogik W5000 series gives remote monitoring applications maximum coverage. The W5000 series products come with one 3-in-1 serial port (RS-232/422/485) to connect field serial devices such as meters, analyzers, and instruments.