D-Links DWM-311 B1 4G LTE M2M Modem is a robust 4G LTE modem that provides an economical and reliable high speed connection suitable for the most demanding Internet of Things (IoT) applications. The DWM-311 B1s Gigabit Ethernet interface allows connectivity to be added to virtually any device. A true plug-and-play solution, suitable for mass deployment or small scale use.