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What's the difference between a mobile phone card and an ordinary mobile phone card?
Mobile cards are called mobile data cards, and ordinary mobile phone cards are called SIM cards. The main differences between them are as follows:
First, the functions are different.
1, mobile data card: in addition to wireless Internet access, SMS, you can also make phone calls and other functions; Need to be used with wireless network card.
2.SIM card: used to identify GSM network users.
Second, the characteristics are different.
1, mobile data card: calculate the monthly traffic to surf the Internet.
2.SIM card: The same SIM card can be used on different mobile phones, and GSM mobile phones can only be used in the network after inserting the SIM card.
Third, use different objects.
1. Mobile data card: provides wireless Internet access for portable devices such as computers.
2.SIM card: it acts on the mobile phone.
Baidu encyclopedia -SIM card
Baidu encyclopedia-mobile phone data card
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