Built-in two 4G LTE industrial cellular modules (two modules to get different network supported), insert SIM/UIM card to work directly;
Built-in two sim card slot;
RJ45 LAN 4;
RJ45 WAN 1;
Option feature:
WiFi
GPS
Serial to cellular gateway (RS232 or RS485 port)
Internal battery
Redundancy backup: cellular1+ cellular 2+ WAN RJ45