What is a flow card?

The flow card, also known as IOT card, is a 4G/3G/2G card provided by three major operators.

The hardware and appearance are exactly the same as those of ordinary SIM cards, and the special functions of intelligent hardware and IOT devices are loaded. Special number segments (13 or 20 digits) and independent network elements are adopted to meet the management needs of intelligent hardware and Internet of Things industries for equipment networking, as well as the mobile information application needs of chain enterprises of group companies.

To put it simply: IOT card is a kind of mobile phone card, which can only be used for data services, not for voice and short messages. Mainly used in intelligent hardware devices, such as GPS, bicycle locks, car networking, wearable devices and so on.

Advantage analysis of running water card

1, the package is cheap and there is no monthly rent.

There is no normal 1 1 digit on the running card. There is a string of ICCID numbers on the card, usually 13 or 20 digits. This is your running card number. You can enter the card number to recharge in the official WeChat account or Alipay applet, and follow the prompts. Because there is no monthly rent, throw it away if you don't want to use it, and SM users don't have to worry about forgetting to close the account and causing arrears. Generally, an empty card for 6 months will be cancelled.

2. SM certification is not required.

All the traffic cards on the market basically don't need SM at first, and they are all operators SM to enterprises.

3. Wide application, strong and stable signal transmission, high temperature resistance and difficult oxidation.