Description The ICP DAS GRP-540M-4GE is a 4G gateway for Ethernet or serial port. With the GPS, the GRP-540 can use as a GPS tracking system. In Machine-to-Machine applications , this gateway is used to transfer data from remote I/O modules, Modbus data or videos from IP cameras via 4G/3G/2G. With its high-performance CPU, the ICP DAS GRP-540M-4GE can handle a large amount of data and are suitable for harsh industrial environments. The GRP-540M-4GE is equipped with the 3G module, Ethernet interface, CAN Bus, and GPS module.