What is the difference between the various states of Tuya's NB module?

Connected status: The module is in the Active (working) mode, all functions are normal and available, and the data can be sent and received; the module can be switched to the Idle mode or the PSM mode in this mode. Idle state: The module is in the Light Sleep mode, the network is in DRX/eDRX state, and the paging can be received in the paging window. The module can switch to the Connected or PSM mode in this mode. Power-saving state: The module is in Deep Sleep mode, with the CPU powered off and the RTC working inside alone. The network is in a disconnected state and cannot receive the downlink data. The module can be switched to Connected mode in this mode.