What are the disadvantages of data cards?

The disadvantages of the data card are: 1. You cannot receive text messages, send text messages, or make phone calls; 2. You can only use the Internet, no direction, no speed limit, but limited; 3. You cannot change the card slot; 4. , the risk of getting stuck halfway through use; 5. 40% virtual volume, etc.

#The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

What are the disadvantages of traffic cards?

Overview of IoT card: It is provided by operators for Internet of Things service companies for intelligent terminal device networking. It is only sold in batches to corporate users and is widely used in shared bicycles, mobile payments, Smart cities, vending machines and other fields are not intended for individual users (theoretically).

To sum up, this kind of traffic card is also an IoT card, which is illegal, but not illegal.

Advantages: No monthly rent is required, the data can be charged and used, throw it away when not used, no need to pre-store phone bills, large data traffic, cost-effective packages, real-name authentication required.

Disadvantages: ①Cannot receive text messages, send text messages, or make phone calls.

② It can only be used for Internet access, not directed, not speed limited, but limited.

③The device will be locked, which means that if your phone has the card slot for card 1, you cannot change the card slot.

④Due to violations, there is a risk that the card will die halfway through use, but generally refunds will be given and the card will be replaced.

⑤The network speed generally depends on the local area. It will be a little slower than the normal traffic card, which is the level of ordinary video viewing at 720p

⑥Prohibited areas: Xinjiang, Tibet, Fujian, Guangxi, Yunnan , Maoming City, Qingyuan City, and Chaozhou City are not supported for the time being.

⑦ There is a 40% virtual amount, which means that the package marked with 22 yuan and 35G actually only gets 21G.

Therefore, it is recommended that you consider using a data card if you use a small turkey with a traffic of less than 21G per month. The traffic fee of 22 yuan plus the card guarantee fee of 8 yuan, 30 yuan a month is very cost-effective.

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