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Iot card refers to a network of intelligent identification, positioning, tracking, monitoring and management through radio frequency identification (RFID), infrared sensors, global positioning system, laser scanner and other information sensing equipment, according to the agreed protocol, any item and Internet connection, information exchange and communication.

Simply put, the communication iot card is to link people, things (resources) and services through the communication transmission network of certain smart devices (mobile terminals, vehicle-mounted devices, etc.) in a certain scene, so as to efficiently realize a certain specific demand.It is the mobile communication access service provided by operators based on the public service network of the Internet of things for users of the Internet of things.The three major operators adopt their own special number segment of the Internet of things, and support basic communication services including SMS, wireless data and voice through private network element devices, and provide users with independent communication connection management and terminal management and other intelligent connection services.

Iot CARDS are divided into MS card and MP card. In general, MS card is only used for production preloading, while MP card may be used for both preloading and postloading.With small size, seismic resistance, high temperature resistance and long service life, MS caine is often used in vehicle front loading, intelligent meter reading and wearable devices. MP card, however, is more widely used due to its low cost and convenient installation.

What is the difference between iot card and sim card?

Iot card now is simply pure traffic card, but it is itself can make a phone call and send and receive messages, but because of its rates to make calls and receive and send information is not cost-effective, it is just a pure traffic card, the shape is similar to the sim card, more profitable flow rates, used in mobile payment, Pos machine, intelligent wear, more cars on the Internet.

What is the difference between an ordinary iot card and an NB card?

NB card is nb-iot network, which belongs to 4G. Currently, nb-iot chip is developed, which still needs the support of the network operator, but different from the mobile phone card, which needs a separate NB card.

In other words, the nb-iot module requires a network access license required by each country.SIM card and IMEI number need to be bound.NB CARDS need to be applied to the Internet of things department of the operator by units, schools or individuals to be able to get them.