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Wireless Computers

How to Build Wireless Computers Network At Home? For some people building a Wireless Networking Computers is technically difficult. The following article discusses how easy building the wireless networking computers is.


Wireless networking computers is one of the fastest growing computer tasks today. Networking your computers with wireless equipment is simple and makes your equipment more useful and portable. If your office uses a wireless network, creating one at home makes even more sense. Walk in the door, and you are instantly online and able to connect to your other wireless computers and printers—at home or at work.

Also exciting is the growth of public wireless computers access on the road. When you travel, you can connect to wireless networking computers at hotels, airport lounges, convention centers, and coffee shops, among other locations, and access a high-speed, wireless, connection to the Internet.

What are the requirements to build wireless networking computers network at home?

It is common that having a wireless computers network at home to share the broadband Internet access; share a single printer; documents; video; music; and photo. To implement this into the real wireless networking computers you need:

1. A cable or DSL modem with broadband Internet subscription

2. A router that also supports the dual firewall features (Network Address Translation – NAT and Stateful Packet Inspection – SPI).

3. A wireless access points that will bridge or route traffic from the wireless LAN to the “wired” LAN and vice versa.

4. The wireless adapters at the computers to connect wirelessly to the access points.

Today, the manufacturers of wireless devices such as Netgear; Linksys; Belkin; and many more release wireless router including the modem in one box. Not just that, some router products can contain a modem; a router; a wireless access point; and a Switch in one box. So, building a wireless computers network at home is as easy as plug in the wireless router and you are having a wireless network at a minimum security level, because by default the wireless security setting are disable for mostly the wireless routers.

How to configure wireless computers network?

Wirless Computers - ADSL Modem

Wirless Computers - ADSL Modem

For your home wireless computers network, commonly at the first time you subscribe to the broadband Internet services from the ISP, the ISP will configure the public IP for your modem / router either by one phone call or a technician come to the house. A very simple modem router is shown in the picture here which contains a WAN port (RJ-11) that connect to the Internet line; a LAN port (RJ-45) that connects direct to the NIC adapter of the computer or connect to the Switch. This modem also support the USB port that connects to the USB port of the computer instead of connects to the NIC adapter (if NIC is not available).

But this is a very simple modem router that does not have a function of wireless access point for your wireless computers network. Today, the modern wireless router-modem has the following function as general:


1. A modem, connects to the broadband Internet

2. A four port RJ-45 Ethernet Switch either 10/100 Mbps or 10/100/1,000 Gigabit autosensing full-duplex ports. For a home Switch, a four port switch is more than enough for fast “wired” connection up to four computers.

3. A wireless Access point, wireless with 802.11b/g or the fastest wireless standard available today – draft 802.11n. Some of the wireless-N powered by smart MIMO technology with the wireless range up to 1,000 ft or even up to 1,400 ft.

4. A router with dual firewall (NAT and SPI), that will protect from some types of network security threats.

Wireless Computers Network Diagram

Wireless Computers Network Diagram

The four in one box device allows you build wireless computers network at home as simple as plug in the device – then you are in the wireless computers environment. The wireless routers support the DHCP server (that will lease the IP address to the client computers) that are enable by default, so you don’t need to touch the setting if you do not have enough knowledge about DHCP server.

The next thing you need to setup is the computers with wireless adapters (either wireless USB adapters or wireless PCI adapters) that need to connect to the wireless network. What you need to do is to setup the property of this Wireless adapter to “obtain the IP address automatically”. How do you do that?

1.       Locate the “LAN connection” icon at the right side of the bottom corner of your screen.

2.      If you cannot find the icon click Start => Select Control Panel => locate ‘Network Connection’ icon and double click it => jump to step 4

LAN Connection Icon

LAN Connection Icon

3.      Right click this ‘lan connection icon’ and then select the ‘Open Network Connection’ or just click the icon. Or you can just click the icon to launch the network connection windows.

LAN Connection

LAN Connection

4.      Right click the ‘lan connection’ icon and then select ‘Property’ => then select Internet Protocol (TCP/IP) => click ‘Property’

LAN Connection property

LAN Connection property

5.      Make sure in this ‘General’ tab both radio button are selected to ‘obtain an IP address automatically’ and ‘obtain DNS server address automatically’ TCP-IP configuration

Up to this step, you have completed the wireless computers network environment successfully. Is this enough? Wireless network is susceptible to eavesdrop; therefore for a best practice security reason you need a secure wireless connection using the latest Wi-Fi security standard WPA/WPA2. The last but not the least, you need to protect the computers with the anti-virus software against the known viruses.

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By Ki Grinsing

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