Cardbus Adapter
The main difference between the wireless network card and network card is the signal to receive and send data, if you can find the Internet access port, but can also be achieved with Internet connections. Today, the wireless card more categories of products, and prices vary. For the average consumer, buying a home Wireless Mini PCI-E card when the purchase is sure to find all types of errors.
1 cup of transmission is not the only criterion for measure the performance of
The transfer rate refers here to the wireless network card in some of the data within the standard network protocol to send and receive capabilities, the rate depends on the support of standards and the environment and other factors, the general product labeling is the theoretical transfer rate, Actual transfer rate significantly below the theoretical transfer rate.
To measure the overall performance of a = "http://www.espow.com/wholesale-54m-wireless-mini-pci-e-lan-network-card-wifi-bluetooth.html href "title =" Bluetooth WIFI Mini PCI-E "> bluetooth wifi Mini PCI-e, looking at transfer rates of an indicator is not enough, we also need keep in mind that the types of interface products, transmission range, the brand of price, safety, compatibility and other features.
Moreover, the performance of a wireless network card to play will depend on the totality of the circumstances of each case wireless LAN, such as using a wireless LAN TP-LINK TL-WN610G 108Mbps in Super G wireless card, wireless router while using the transfer rate of 54Mbps products, so in the case of theory, the wireless card to be adaptable, "deceleration" of up to 54 Mbps transfer rate can be achieved, in fact lower. If the card Mini PCI wireless and wireless router, there is an obstacle between the rate will be greater impact.
2 USB and PCMCIA auspices
Card interface points can be wireless PCI, USB, PCMCIA three different interfaces can be installed on different computers. When you buy wireless network card a computer interface according to their own choice.
USB wireless cards are generally divided into two types of USB 1.1 and USB 2.0, IEEE Standard 802.11b, in the first products to use more USB 1.1 interface, then use the more standard IEEE 802.11g USB 2.0 interface, such as TP-LINK TL-WN320G and so on. With USB plug and play, easy installation, high speed transmission, no power supply and other features, compatibility, very strong. Suitable for mobile office chairs and there is no free laptop users PCMCIA interface.
PCMCIA interface also can be divided into 16-bit PCMCIA and 32-bit CardBus. Currently, most wireless title = "Mini PCI-E Bluetooth"> Mini PCI-E wifi card Bluetooth is available in 32-bit CardBus interface, as the TP-LINK TL-WN610G, etc. The interface also has a plug and play, high-speed transmission and so on. In fact, the PCMCIA interface, better integration with the laptop, along with the effect of using the best, but can also save a USB port.
There is also a common PCI interface, a wireless network card, the card for desktop computers, installation is relatively complicated.
3 a maximum transmission distance
In the specifications usually marked on the theoretical distance of the wireless card maximum transmission, the actual distance is less than positive brand value. Many consumers buy wireless network card for shared Internet access, live in the whether the relatively large house, or the wireless router (or wireless) the distance from the distance, the purchase of goods are often wireless cards Of particular concern when the maximum transmission distance, too much emphasis on the maximum transmission distance
In the wireless network local area to receive and transmit signals using the transmission medium is air, the radio signals are susceptible to atmospheric noise, environment and signal interference from other transmitting equipment, including wireless network equipment, radio-wave devices such as microwave ovens, household cordless phones, wireless LAN equipment similar. If your home or near the source of these disturbances will affect the wireless card to receive and transmit remote signals.
In fact, the average household in China today, install an IEEE 802.11b-compatible wireless LAN and wireless routers, within the field of vision, without obstacles or sources of interference, the wireless signal can basically cover most of the space. The last two years the factory IEEE 802.11g wireless LAN products, the greater distance have some improvement.
Therefore, when buying the wireless card, better known branded products is the gap between transmission distances, not over-emphasis on indicators of maximum transmission distance.
4 mechanisms security
Through the WEP encryption technology to be able to ensure the wireless LAN to send and receive data security prevent intrusion by unauthorized users. The high-level bit WEP encryption, piracy harder the higher the greater the safety factor.
Currently, security mechanisms for wireless LAN data used include WEP, WPA encryption, IEEE 802.1X authentication. The Most wireless LAN products LAN products supporting these security mechanisms, different is that support for WEP encryption bit different from today, most Wireless support for 64/128-bit WEP encryption, and some products support 152-bit WEP encryption, a small amount of product support 256-bit encryption
Therefore, buying a house l Wireless Mini PCI-e card, when used in accordance with their own wireless router or wireless access point to select the appropriate "Card> Wireless Mini PCI Card, as the wireless router set up 152 WEP encryption, you must choose to support 152-bit WEP encryption products wireless card.
About the Author:
drogbagoogle is work at hdd docking station and all in one internal card reader. Please contact with me.
Article Source: ArticlesBase.com – 4 Steps to Choose a Mini PCI-E Bluetooth Wifi Card
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