What is the difference between NB-IOT remote water meter and IC card water meter?

NB-IOT Internet of Things remote water meter and IC card water meter are both smart water meters, but their transmission modes are different.

1, NB-IOT remote water meter mainly has the function of data remote transmission, which can realize remote meter reading, remote valve control, online app recharge, early warning system, SMS reminder, ladder water price, sending commands, etc.

2.IC card prepaid water meter mainly uses IC card as the transmission medium of water meter data, mainly with prepaid function. Users hold an IC card to the water supply department to pay first, then use water, and the arrears will automatically stop the water supply.