What is the system bandwidth of NB-IoT?

Among the following IoT access technologies, which has the highest power consumption?

V2X communication technology is of great significance to the promotion and popularization of the Internet of Vehicles.

The key requirements of smart parking are to reduce operating costs, improve the current situation of insufficient parking spaces, low utilization rate and difficulty in parking, while also taking into account user experience, network costs and network reliability.

A mutex lock, also known as a mutex semaphore, is used to implement exclusive access to shared resources.