Internet-of-things relay SIM card data communication method
A data communication and Internet of Things technology, applied in network data management, wireless communication, electrical components, etc., can solve problems such as expensive data roaming charges, inconvenient communication for SIM card users, and inability to use the network of operator B, etc., to reduce The effect of business costs
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[0019] The Internet of Things relay SIM card data communication method of this embodiment is used for data communication of terminal equipment. The terminal equipment is provided with a relay SIM card. The relay SIM card contains a communication module and can perform 2G / 3G / 4G communication. The operator network completes the authentication process between the relay SIM card and the SIM card hosting server and the original SIM card, and the relay SIM card can store the authenticated key value, which is used to replace the original SIM card to provide data encryption for the baseband of the mobile phone key.
[0020] see figure 1 , the method includes the following steps:
[0021] 1) Establish a SIM card hosting server that inserts multiple original SIM cards; for example, a SIM card hosting server can insert 1024 original SIM cards at the same time, and the original SIM cards can be SIM cards of any operator in the world.
[0022] 2) The terminal device sends a connection ...
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