The role of a wireless network card is like any other normal network card, is applied to the LAN connection. Wireless Network Card is a device for receiving and transmitting the signal only works in WiFi. PCMCIA adapter, PCI network controller, Mini PCI adapter, USB adapter, CF / SD card and so on network according to their various ports, wireless network cards in different types. Eour daily lives, we mainly use the PCMCIA card (used in laptops), PCI network card (used in particular in the desktop computer) and USB network adapter (available in both laptops and desktop PCs). Now the woman is the most popular are INTEL, TP-LINK, FAST and tent etc., and the key is 54M and 108M. But the performance of these devices are not all equal, varies in signal quality and price stability.
Signal quality
Wireless Network Card Desktop
If you have aLaptops, although it would normally have a PCMCIA wireless network adapter built this machine, if you have a computer, was best with a wireless PCI adapter for a better signal quality, because this card has an external antenna, if it is possible to highlight the convenience of a USB wireless adapter network may be more suitable for you, but the signal is not as good as the other two cards in the same condition. In aWord, without other aids such as guides, the signal quality of the PCI card is the best, second only to the PCMCIA card and USB adapter.
Stability
In view of the PCMCIA card has the power network in the workplace is free of heat distribution. Since the PCI network card is inserted into a PCI slot, has no problem in the supply of electricity, which provided for its cooling, it is even better than the other two cards. Compared to thePCMCIA and PCI network adapter, power adapter USB wireless network is not so stable, and is also poor heat dissipation.
Price
To start with the same brand, similar functions and close to the date, a USB wireless network card is relatively expensive and the price of a PCI wireless card and a network PCMCIA card is basically the same.
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