Does Unicom have a pure flow card?

The pure flow card of China Unicom generally refers to the wireless network card. At present, Unicom's wireless network card has no voice call function, does not support voice function, and can provide wireless Internet access and point-to-point SMS function. There is no need to pay other fees except SMS and Internet access, but it depends on the local city. Don't some cities have them? Please consult 100 10 for details.