IMG-4312-3G is an innovative 1 port RS-232/422/485 and 3G cellular Gateway with 2 port 10/100Base-T(X) port. IMG-4312-3G also provide IEEE802.11 b/g/n wifi interface which have 150Mbps link speed. It could be configured to connect to the internet by dialing up 2G/3G cellular modem to fulfill demands of various applications rapidly a. In addition, IMG-4312-3G can also transfer data into 5 host PCs simultaneously for backup purposes. In addition, IMG-4312+-3G also provides P.D. feature on ETH1 port which is fully compliant with IEEE802.3af PoE P.D. specification Therefore, IMG-4312-3G is one of the best solutions for applications of wireless and serial communication.