Which of the following does not belong to the key technical feature of NB-IoT?
A . Wide coverage
B . Low power consumption
C . Low cost
D . High bandwidth
E . big connection
Answer: D
Which of the following does not belong to the key technical feature of NB-IoT?
A . Wide coverage
B . Low power consumption
C . Low cost
D . High bandwidth
E . big connection
Answer: D