全面解析购买无线上网卡的六大误区（国外英文资料）.docVIP

全面解析购买无线上网卡的六大误区（国外英文资料） A friend of mine asked me to buy a wireless card for him today, saying it was to enjoy the feeling of surfing anytime and anywhere. I asked: your notes Isnt there a fast feature? Why buy a wireless adapter? He asked: a laptop with a wireless adapter doesnt mean its free. Line on the Internet? In fact, this friend of mine is confused with the concept of wireless card and wireless Internet card, although there is only one The words are different, but the function is quite different, and the price is quite different. If you dont know the difference between the two, you will not only buy it Make jokes and waste a lot of silver. Thanks to the popularity of laptops, wireless networks have never been more developed. The advent of fast laptops makes wireless routing and wireless hot spots more likely In recent years, the trend has been rapid, but wireless LAN technology has not allowed us to surf the Internet anytime and wherever we want In other words, we only have wireless Internet access within a certain range of wireless hot spots. Wireless Internet card is different, use wireless wide domain communication network, cooperate notebook to use can let the user achieve true meaning Wireless Internet access. Just like the phone we use, wherever there is a signal, the Internet is available. Here are the simple definitions of these two categories: Wireless network card: the wireless network card is the device of the terminal wireless network, it is the wireless coverage of the wireless LAN to the Internet via the wireless connection network Used wireless terminal equipment. In other words, if the wireless route is viewed as a signal launch, the wireless adapter is the receiving end of the signal It is. Wireless upper network card: the wireless upper network card is the current wireless wide area communication network application extensive network media. China is the only country that has moved GPRS and China unicoms CDMA (1X) are both network-making,