Can I use Unicom 3g card for the second generation of Weitu mobile phone?

Of course. As long as it is not bound to the operator's mobile phone, you can choose a mobile phone card at will.

3G refers to the third generation mobile communication technology, which is a new generation mobile communication system that combines wireless communication with multimedia communication such as the Internet. Unicom 3G adopts WCDMA technology, which can provide various information services including videophone, wireless Internet access, mobile Internet access, mobile TV, mobile music and so on.

Advantages of China Unicom in WCDMA operation;

First, WCDMA technology industry chain is mature, the operating cost of network construction is relatively low, and the evolution is the best. The first 3G commercial network in the world is WCDMA.

Second, WCDMA network has fast speed, the smoothest network evolution, wide international roaming range and good user experience.

Thirdly, China Unicom has a well-covered GSM network, which is the underlying supporting network for WCDMA networks and services and provides the main site resources for WCDMA wireless networks. At the same time, the integrated Unicom has rich transmission resources, which provides rich basic resources for WCDMA network construction.

Fourthly, China Unicom has experience in operating G and C networks, which can be used for reference for the operation of 2G and 3G networks.

Fifth, China Unicom has two networks: fixed network and mobile network, which can make full use of the products, users and channel resources of the two networks, give play to the advantages of converged services and accelerate the development of users.

Sixth, in WCDMA marketing, China Unicom should unify its brand, business, packaging, tariffs, terminal policies and service standards, so as to better integrate the national forces and do a good job in 3G operation.