Build your wireless network clearly

We all know that the existence of wireless networks brings new concepts to the network structure and network experience. Next, let's take a look at the content of wireless network construction. If you want to use public wireless Internet hotspots or enable wireless networks at home, the first thing you need to do is ensure that your computer has the appropriate wireless device. Most new portable computers and many new desktop computers come with built-in wireless transmitters. If you do not have a laptop, you can purchase a wireless adapter that can be inserted into the PC Card slot or USB port. A desktop computer can use a USB adapter, or you can purchase an adapter that can be inserted into the PCI slot inside the computer chassis. Many of these adapters can use multiple 802.11 standards.

After installing a wireless adapter and a driver that can make it work, your computer should be able to automatically discover the existing network. This means that when you open your computer in a wireless network hotspot, the computer will notify you of the existence of the network and ask if you want to connect to the network. If your computer is older, you may need to use software programs to detect and connect to wireless networks.

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A wireless router uses an antenna to send signals to a wireless device and a line to send signals to the Internet.

Connecting to the Internet in public hotspots will bring you great convenience. Wireless Home networks are also very convenient. They allow you to easily connect to multiple computers and do not need to be disconnected or re-connected when you move from one location to another.

If you have multiple connected computers in your home during the construction of a wireless network, you can create a wireless network through a wireless access point. If you have multiple computers that are not connected to the Internet or want to change your Ethernet, you will need a wireless router. This is a single device that includes:

A port used to connect a cable or DSL modem

One vro

Ethernet.htm)

One Firewall

One Wireless Access Point

A wireless router allows you to use wireless signals or ethernet cables to connect your computer to another computer, to a printer, and to the Internet. Although walls and doors can block signals, most routers provide a coverage of about 30.5 meters in all directions. If your home is very large, you can purchase inexpensive distance extender or repeater to improve the router coverage.

Like wireless adapters, many routers can use a variety of 802.11 standards. The 802.11b router is slightly cheaper, but slower than the 802.11a or 802.11g router. Most people choose 802.11 GB for speed and reliability reasons.

After a router is inserted, the router should start to work under its default settings. Most routers allow you to use the Web interface to change the settings. You can choose:

Network Name, that is, its service set identifier SSID) -- the default setting is usually the name of the manufacturer.

The channel used by the router-Channel 6 is used by most routers by default. If you live in an apartment and your neighbors use Channel 6, you may experience interference. Switching to a different channel should eliminate this problem.

Router Security Options-many routers use standard public logon. Therefore, it is best to set your own user name and password.
 
During the construction of wireless networks, security is an important aspect of domestic wireless networks and public wireless Internet access hotspots. If you set a router to create an open hotspot, anyone with a wireless card can use your signal. However, most people prefer to block strangers out of their networks. To do so, you need to take some security precautions.

To keep your network private, you can use one of the following methods:

Wired peer-to-peer encryption WEP), which uses 64-bit or 128-bit encryption. 128-bit encryption is a safer option. Anyone who wants to use a network with WEP enabled must know the WEP key, which is usually a digital password.

WiFi protects access to WPA), and is further enhanced based on WEP. Now it is part of the 802.11i wireless network security protocol. It uses the temporary Key Integrity Protocol for encryption. Like WEP, WPA security requires a password to log on. Most public hotspots are either open, or WPA or 128-bit WEP technology is used.

Media Access Control MAC) address filtering is slightly different from WEP or WPA. It uses computer physical hardware instead of passwords to authenticate user identities. Each computer has its own unique MAC address. MAC address filtering only allows computers with specific MAC addresses to access the network. When setting a vro, you must specify the addresses allowed. This method is safe, but if you buy a new computer or a visitor wants to use your network, you will need to add the MAC address of the new computer to the list of approved addresses.

Wireless Networks are easy to build and cost-effective, and most vro Web interfaces are easy to understand. For more information about setting and using wireless networks, see the link on the next page.

Wireless Internet access is divided into two types, one is A wireless lan wlan, that is, 802.11/A/B/G network, generally the "Pentium" notebook with A WLAN Nic. This wireless Internet access feature covers Fan Wei, which can be used only in some public places or in a wireless network within an enterprise School. Of course, you can also set up a wireless router in your home to build your own wireless network so that you can use it at home. If someone around you has already completed the wireless network construction, you can also "rub the network ".

There is also a wireless WAN. Currently, GPRS and CDMA 1X can be used in China. With the help of mobile phone network transmission, the Internet can be accessed wherever there is a mobile phone signal. CDMA is about 153 Kbps faster than GPRS. For this type of Internet connection, you need to purchase a separate GPRS or CDMA wireless network adapter, which can be used with the SIM card of the Internet Service Fee package, or connect the mobile phone to the Internet. You need to pay the Internet access fee to the mobile phone operator, which is generally charged by traffic. The monthly package is 3 minutes and 1 K. If an MP3 file is downloaded, it may cost hundreds of RMB. If the monthly package is cheaper, such as 100 RMB and 1 GB, however, compared with Wired Broadband, Unlimited Traffic is much more expensive.

So you can only use GPRS or CDMA in the wild. Generally, if a Wireless Broadband Router is used to establish a wireless connection with the wireless network card of a laptop, you can access the Internet wirelessly within a certain range. If you can use a laptop wherever you want to go, you can leave it alone, but the netbook fee is 300 yuan a month. The principle is that information can be transmitted in any space.