Westermo MRD-455 - Safety; Before Using the Unit; Before Installation; Care Recommendations

Dual SIM Failover
Wireless 4G Link
Click Add new profile and create a profile for your first SIM card provider.
Configuration
Browse to Wireless  Packet Mode
SIM 1
APN: Enter the APN (Access Point Name) given by your SIM card provider.
NB: Standard 4G tariffs do not often require authentication.