What power source would you use with a 4G-LTE CAT-I HAT with Raspberry Pi5 8GB?

https://iotstudioz.com/product..../hashstudioz-4g-lte-

What primary application would you use the CAT-1 HAT for?

https://iotstudioz.com/product..../hashstudioz-4g-lte-

Enterprise-Grade Dual SIM LTE Router for Critical Systems

This enterprise-grade router ensures mission-critical connectivity through dual SIM LTE failover. It offers strong cybersecurity, high-speed data, and dependable performance for essential systems. Ideal for corporate networks, transportation, utilities, and emergency services, it integrates advanced routing, VPN features, and remote administration for seamless, always-available communication.

https://iotstudioz.com/product..../dual-sim-4g-lte-ind