First of all, using a wireless network card, that is, WIFI Internet access, depending on your device bandwidth, wireless routing is generally 54M, and wired Internet access is generally 100M and 1000M network equipment. To be sure, within the local network, the wired network is much faster than the wireless network, but as far as the current network situation in China is concerned, the Internet access of more than 54M is too few, carrier-grade computer rooms. Therefore, in theory, less than 54M network access, wireless network and cable network speed is no difference. There is a wireless Internet access method, is through Unicom and mobile operators wireless network card, put a mobile phone card inside, this way of Internet access is much slower, only a few hundred KB, less than 1M, random ADSL has 2M. This kind of wireless Internet speed is slow, generally can only speculate on the stock ah, look at the web page chat QQ, video or watch movies, don't think about it, you will want to smash the computer.