The difference between wireless Internet card and wireless card

1, first distinguish between wireless network card and wireless network card,. "Wireless card" function, the function of the equivalent of a cable modem, that is, we commonly known as "cat." It can be connected to the Internet from anywhere with a wireless phone signal, using the SIM card of the handset. The function and function of "wireless network card" is the same as the normal computer network card, which is used to connect to the LAN. It is only a signal transceiver device, only when the Internet can be found on the export to achieve the Internet connection, all wireless network cards can only be confined to the area of the wireless LAN has been covered

2, if not broadband, you can go to Unicom to buy "wireless network card" directly plugged into the computer can be wireless Internet access, the actual speed of CDMA: To reach 153.6Kbps, is home telephone line four times times about the Internet. But the internet is much slower than the wireless network card.

3, to apply for broadband wireless Internet access, notebooks must have a "wireless card", in addition to a wireless router.

Set up a family infrastructure wireless network, wireless card settings and Ad-hoc network is similar, the main should pay attention to the following points.

Wireless card settings (1): The main parameters of the wireless network card can be set in the wireless card icon in the lower right corner of the Windows Desktop toolbar. You should select "Infrastructure" mode in the "Network Mode" option, which is the mode in which the wireless network card is connected to the wireless AP.

Wireless card settings (2): If the wireless router DHCP server is set up to dynamically assign IP, do not specify the IP address for the wireless network card in the TCP/IP protocol, so as not to superfluous. The DHCP server automatically assigns an IP address to the wireless network card. If the wireless network card and the wireless router of the newly joined wireless system do not "synchronize" the IP address of the DHCP server, you can restart the wireless client computer.

Wireless card settings (3): You can determine whether the wireless network card is connected with the wireless router according to the light on the wireless card or the wireless network card icon in the lower right corner of the Windows desktop. In general, the display of red indicates that the wireless network is not connected, as shown in green indicates that the wireless network has been searched and normal.

In the SSID related option, if your wireless router has broadcast mode set, you can select the "any (first Available Access point)" Auto-detect mode. If you do not have a broadcast SSID, fill in the SSID name that you set yourself in the wireless router.

USB Port Wireless Card

First of all, need to buy wireless network card! There is a wireless network card, the inside is a mobile card, directly can be used, very convenient. After inserting the wireless card, follow the prompts to install the relevant driver. A computer with a wireless card is automatically searched for the relevant wireless network, and then the user clicks the connection to easily connect to the wireless LAN for file sharing and Internet connectivity.

When the user clicks the icon for the wireless network status in the lower-right corner, a window appears that shows the connection speed of the network and the intensity of the signal. In this window, you can also learn about the local addresses that are assigned to DHCP through the router and the gateways for routers. The IP address of the network card is automatically resolved by the AP.

There are two cases, one is now mobile GPRS, also can use Unicom CDMA. Then, a monthly subscription. The second is that a wireless AP or wireless route is required. For example, in a local area network, when you plug in a wireless AP or route with a crystal head, your computer will tell you to find a wireless network. Then you click Connect to let Windows automatically manage the wireless network. In the future, once you reach the wireless range, it will automatically connect.