NB-IoT General Solution

Can Tuya's NB module use AT commands?

Which operators support direct connection?

If I want to use a SIM card outside the Chinese mainland, which operator can I choose?

The App successfully binds the Tuya NB module, but the module does not synchronize the network status to 04. Why?

Can the QR code on the module be used as the network configuration QR code?

How to bind the NB module?

What logic do modules follow to respond to a reset command from an NB-IoT module? Is the logic the same as that of Wi-Fi and Bluetooth modules?

Why did the page prompt me with "Failed to add" after scanning the QR code for the NB device's network configuration?

Using the sandwich NB communication board, the network is always not found?

At present, what kind of MCU universal docking NB modules are available in Tuya?