What's the name of this electronic device? Just plug the mobile phone card into the device and connect to WiFi. People can also receive short messages and phone calls from domestic cards abroad.

I see your question, and I'm confused about wireless Internet access. Hehe. 1. Your laptop has a built-in wireless network card, which is a tool for receiving wireless signals and acts like a network card in a desktop computer. Most laptops have built-in wireless network cards. If you don't have them, you can buy one for 1 yuan. 2. On the premise of the built-in wireless network card, wireless Internet access equipment (wireless network card) and tariff card (SIM card) are also needed to realize wireless Internet access. Wireless internet devices range from 2 to 1, such as Huawei's, which is relatively good. You can also use a brand-name one of 2 to 3. Here you have to distinguish between two concepts: wireless network card and wireless network card. Wireless network card is built in, and wireless network card is a wireless internet access device, with brands such as Huawei and Xiangsu. 3. There are currently three operators for wireless Internet access. Mobile EDGE, Unicom CDMA, Netcom. The original mobile wireless Internet access is GPRS, which has been upgraded from G network to E network, the so-called EDGE. Wireless network card, when you buy it, you bring a drive CD, so don't worry. 4. Comparison of the current wireless Internet speeds: The fastest one is mobile EDGE, with a speed of 46K and a download speed of 2 K/s; Unicom's CDMA has a network speed of 23K and a download speed of 1K/S; Netcom's 128K, the download speed is relatively slow. Even the fastest EDGE is limited to playing QQ, watching a web page, QQ games and the like. If you play games, it is recommended to pull broadband. Netcom's 1M broadband download speed is 1k/s.5. Price comparison: the prices of these products are similar, and the equipment with the tariff card is between 6 and 15 a year. For details, you can call 186, 11 and 16. Cheap ones can be bought in electronic information city. I am good at the price, and I will discuss it in detail. Hehe 6. Handling process: the first one: go to the mobile business hall, bring your ID card, and handle the wireless Internet service. It is estimated that it will cost about 6-1 a year. They will give you a device and a mobile phone card. The mobile phone card is inserted into the device, and the device is inserted into the notebook, and you can get on it. The second type: go to the electronic information city to buy wireless internet access equipment, and then buy a tariff card, which is very simple.