How much is the wireless network card charged?

I'm using a limited time, 60 hours a month, 130 yuan.

A wireless network card that uses wireless signals transmitted by Unicom or mobile to access the Internet. It uses a cell phone signal to surf the Internet, so as long as there is a cell phone signal, you can surf the Internet.

The mobile phone is called GPRS. If you buy a wireless network card, plus one year's internet access fee (there is no roaming fee in China), it is about 1500. Different brands, different regions and different prices can go to the local technology market to ask.

Advantages: low cost, no roaming charges in China.

Disadvantages: the speed is too slow, the speed is only 20-30 K, which belongs to the elimination technology. After the implementation of 3G, you have to buy a new card to replace it.

Unicom's CDMA is loose, and the network card plus one-year Internet access fee (generally, there is no roaming in the province, and it is much cheaper to buy it in 300 yuan for a month) 1500 or so (similar to mobile).

Advantages: the speed is much faster, which is equivalent to ISDN. It is a 3G technology in itself and does not need to be upgraded.

Disadvantages: At present, domestic roaming charges are much more expensive than mobile.

The above prices are all monthly prices, or according to the flow, which is generally per megabyte of 5 yuan.