The Victron GX LTE 4G-E is a cellular modem compatible with Victron's GX monitoring products. It offers mobile internet connectivity for the system and links to the VRM Portal, functioning on 2G, 3G, and 4G networks. It needs a Mini-SIM card and connects to the GX device using a provided 1-meter USB cable. Additionally, the GX LTE features an integrated GPS receiver. With the optional GPS antenna installed, you can track the system and set up geo-fencing via the VRM Portal.