Victron - GX LTE 4G-E [GSM100100400] Orion-Tr DC-DC Converters Non isolated Built-in 500A or 1000A Contactor:

Built-in 500A or 1000A Contactor: Provides fallback safety and enables remote-controlled main system switching

More information in the NMEA 2000 & MFD integration guide

This pair of Zigbee converters is to wirelessly connect an Energy Meter to a GX Device

MPPT WireBox-XL MC4 150-85/100 & 250-85/100

Victron - GX LTE 4G-E [GSM100100400] Orion-Tr DC-DC Converters Non isolated Built-in 500A or 1000A Contactor:The GX LTE 4G is a cellular modem for our GX range of monitoring products. It provides a mobile internet connection for the system and connection to the VRM Portal. It works on 2G, 3G and 4G networks. There are multiple models, refer to the manual to see which model best matches the available cellular network bands in your area. The GX LTE includes a built in GPS receiver. When the optional GPS antenna is installed, the system can be tracked as well