Joke Collection Website - Public benefit messages - Why did I go to the business hall and they said I didn't have to return it?
Why did I go to the business hall and they said I didn't have to return it?
The meaning of SMS should be to upgrade the mobile 4G mobile phone card, but it may not be clearly expressed in the reception room. The customer service staff mistakenly thought that the old card was damaged and needed to be replaced.
4G is the abbreviation of the fourth generation mobile communication technology. This technology includes TD-LTE and FDD-LTE. 4G combines 3G and WLAN, which can transmit data, high quality, audio, video and images quickly.
China Mobile's 4G adopts TD-LTE in the 4G LTE standard. The theoretical peak transmission rate of TD-LTE demonstration network can reach 100Mbps in downlink and 50Mbps in uplink. TD-LTE is the leading 4G network standard in China, with mature technology and conditions for large-scale promotion, and has been officially commercialized.
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