Can I use this kind of flow card sold on Taobao? Why do I feel so unreal?

There are two kinds of flow cards: one is a face card, which can't answer the phone, has no SMS function and has no mobile phone number. Generally, it is used by enterprises, such as * * * enjoying bicycles and vending machines. , not recommended for personal use! Self-use is easy to die!

The second is the official traffic card, with the regular number 1 1. You can log in to the business hall to check the traffic charges. After-sales is manual customer service. However, this kind of discount flow card is generally introduced by various prefecture-level cities, and there is a certain quantity or time limit, so the loading and unloading of goods is particularly fast, and you can take one home when you see the right one.

At present, there are four kinds of flow cards with high cost performance:

PS: The mobile phone cards mentioned here are all official cards that can be checked. You can log in to the office to check traffic and phone bills!

Paragraph 1: Telecom Lantern Card Worry-Free Edition: September rent 70G+30G orientation (long-term package, traffic can be carried forward to next month).

Official authentic, available in the business hall.

September rent 100G, the package is valid for a long time, and the unused traffic this month can be used next month. You can log in to the business hall to check the traffic fee. It's an official card!

With the continuous development of the Internet of Things, as an important carrier of the Internet of Things connection, the market heat continues to rise, and various IOT card companies have sprung up.

Behind the prosperous market, the mixed IOT card companies also dazzled users, giving them the opportunity to "run cards and run cards", and many users suffered greatly.

1. What is a flow card?

Running water card is also called IOT card. IOT card is a mobile communication access service provided by the three major operators for IOT users, providing basic communication services such as wireless data, voice and short messages for IOT terminals, and providing operational services such as communication connection management and terminal management for IOT customers. To put it simply, operators sell traffic cheaply to large companies, which form a traffic pool and sell cards, and users recharge through the WeChat public platform corresponding to each company.