| The main difference between Wireless network card | | | | can save a USB port. |
| and Network card is signal to receive and send data, if | | | | In addition, there is a common PCI interface, a wireless |
| you can find Internet access port, but also can be | | | | network card, the card for desktop computers, |
| achieved with Internet connections. Today, the wireless | | | | installing them is relatively complicated. |
| card is more product categories, and prices vary. For | | | | 3 maximum transmission distance |
| ordinary consumers, the purchase of your home | | | | In the product specification is generally marked on the |
| wireless mini pci-e card when the purchase is sure to | | | | wireless card's theoretical maximum transmission |
| encounter all kinds of errors. | | | | distance, the actual distance is less than positive mark |
| 1 transmission rate is not the only criterion to measure | | | | value. Many consumers buy wireless network card in |
| the performance | | | | order to share Internet access, live in the house if the |
| Transfer rate here refers to the wireless network | | | | relatively large, or from the wireless router (or wireless |
| card in some of the data under the standard network | | | | AP) distance from the distant, the purchase of the |
| protocol to send and receive capabilities, the rate | | | | wireless card products are often of particular concern |
| depends on the support of the standards and the | | | | when the maximum transmission distance of , |
| surrounding environment and other factors, the general | | | | over-emphasis on maximum transmission distance |
| product tagging is theoretical transfer rate, the actual | | | | In the wireless local area network, the receive and |
| transfer rate significantly lower than the theoretical | | | | transmit signals using the transmission medium is air, |
| transfer rate. | | | | radio signals are susceptible to atmospheric noise, the |
| To measure the overall performance of a bluetooth | | | | environment and the interference of other signal |
| wifi mini pci-e card, looking at transfer rates of an | | | | transmitting equipment, in particular, wireless network |
| indicator is not enough, also need to note that the | | | | equipment, radio-wave devices, such as household |
| product interface types, transmission range, price | | | | microwave ovens, cordless phones , similar wireless |
| brand, security, compatibility and other features. | | | | LAN equipment. If at home or near the source of |
| In addition, the performance of a wireless network | | | | these disturbances will affect the wireless card to |
| card to play will depend on the entire wireless LAN | | | | receive and transmit signals a distance. |
| circumstances of each case, such as the use of a | | | | In fact, China's current average home, install an IEEE |
| wireless LAN TP-LINK TL-WN610G 108Mbps in Super | | | | 802.11b-compliant wireless LAN and wireless routers, |
| G wireless card, while the wireless router using the | | | | within the field of vision, without obstructions or other |
| transfer rate of 54Mbps products, so in theory case, | | | | interference sources, the wireless signal can basically |
| the wireless card would be adaptive, "deceleration" up | | | | cover most of the space. The past two years the |
| to 54Mbps transfer rate can be achieved, in fact | | | | factory standard IEEE 802.11g wireless LAN products, |
| lower. If the wireless mini pci card and wireless router, | | | | the largest distance have some improvement. |
| there is an obstacle between, the rate will be subject | | | | Therefore, when buying the wireless card, most |
| to greater impact. | | | | well-known brand-name products is not the gap |
| 2 USB and PCMCIA aegis | | | | between the transmission distances, do not |
| By interface points can be wireless card into PCI, USB, | | | | over-emphasis on maximum transmission distance |
| PCMCIA three types, different interfaces can be | | | | indicators. |
| installed on different computers. When purchasing | | | | 4 security mechanisms |
| wireless network card to a computer interface | | | | Through the WEP and other encryption technology |
| according to their own choice. | | | | can ensure the wireless LAN to send and receive |
| USB wireless cards are generally divided into two | | | | data security, prevent unauthorized users intrusion. The |
| kinds of USB 1.1 and USB 2.0, IEEE 802.11b standard in | | | | higher bits WEP encryption, hacking more difficult the |
| the early products to use more USB 1.1 interface, then | | | | larger the higher the safety factor. |
| the IEEE 802.11g standard products more use of the | | | | At present, the wireless LAN security mechanisms |
| USB 2.0 interface, such as TP-LINK TL-WN320G and | | | | used include WEP data encryption, WPA encryption, |
| so on. USB interface with plug and play, easy | | | | IEEE 802.1X authentication. Most wireless LAN |
| installation, high-speed transmission, no power supply | | | | products support these security mechanisms, different |
| and other characteristics, compatibility, very strong. | | | | is that support for WEP encryption bits is different |
| Suitable for mobile office users as well as there is no | | | | from present, most wireless LAN products support 64 |
| free laptop PCMCIA interface users. | | | | 128 bit WEP encryption, and some product support |
| PCMCIA interface can also be divided into 16-bit | | | | 152-bit WEP encryption, a small amount of product |
| PCMCIA and 32-bit CardBus. At present, most | | | | support 256-bit encryption |
| wireless mini pci-e bluetooth wifi card is available in | | | | So,t he purchase of your home wireless mini pci-e |
| 32-bit CardBus interface, such as TP-LINK | | | | card, when used according to their own wireless |
| TL-WN610G, etc. The interface also has a plug and | | | | router or wireless AP to select the appropriate |
| play, high-speed transmission and so on. In fact, | | | | wireless mini pci card, such as the wireless router set |
| PCMCIA interface, better integration with the laptop, | | | | up 152 WEP encryption, you must choose to support |
| together with the effect of the use of better, but also | | | | 152-bit WEP encryption The wireless card products. |