What's the difference between a telecom Internet of Things card and a transportation card?

The flow card can be used by ordinary telecom users, including the flow of mobile internet access. The Internet of Things card is a private network established by the Internet of Things Branch for government and enterprise customers who need the Internet of Things. It has formed an independent business process, special tariff, independent business acceptance system and billing system, which is suitable for government and enterprise customers who need the Internet of Things.