What is the difference between a data card and a phone card?

The differences between data cards and phone cards: different functions, different scope of application, and different fees.

1. Different functions

Mobile phone cards mainly provide text messages, phone calls and Internet services, and can perform various communication operations on the mobile phone, while data cards only provide Internet services and cannot Operations such as text messages and phone calls. In addition, the data cost of data cards is cheaper than that of mobile phone cards.

2. Different scopes of application

Mobile phone cards are suitable for users who need to perform various communication operations, such as making phone calls, sending text messages, browsing the web, etc. The data card is suitable for users who only need to perform Internet operations, such as users who need to surf the Internet on the road, use computers to work on business trips, etc.

3. Different fees

Since data cards only provide Internet services, their fees are relatively low. Users can freely choose the traffic size and duration according to their own needs. Mobile phone cards, on the other hand, need to bear more costs, including calls and text messages, and their tariff standards are also relatively high.

Types of SIM cards

1. Embedded SIM card (commonly known as small card): This card is only 25mm × 15mm (smaller than an ordinary stamp) and is semi-permanent. card installed into a GSM mobile phone. It is currently the most used and widely used SIM card. If you want to change a small SIM card into a large SIM card, you only need to buy a SIM card holder, and the small SIM card can be used as a large SIM card.

2. Card-type SIM card (commonly known as blockbuster): The size of this card is 54mm × 84mm (about the size of a business card). The large card complies with the ISO7816 standard for IC cards and is similar to an IC card. Users can use the card by inserting it into their mobile device.