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Instant Wireless Series

Wireless PCI Card

Connect your desktop PC to a wireless network
onnect your desktop computer to a wireless network with the Linksys Wireless PCI Card. This Card installs in an expansion slot of most desktop computers, and comes with a Setup Wizard that walks you through configuring the Card to your wireless network settings, step by step.
The Wireless PCI Card lets you put your computer almost anywhere in the building, without the cost and hassle of running cables. Now you dont have to drill holes in your walls and climb through the attic or cellar to get connected to the network. Once youre connected, you can keep in touch with your e-mail, access the Internet, use instant messaging to chat with friends, and share files and other resources such as printers and network storage with other computers on the network. The Linksys Wireless PCI Card is fully compliant with the 802.11b wireless network standard, transferring data at up to 11Mbps in the 2.4GHz radio band. And your wireless communications are protected by up to 128-bit encryption, so your data stays secure.
Wireless PCI Card Model No.: WMP11 ver. 2.7
So dont hassle with running cables through your houseget your desktop connected the easy way with the Linksys Wireless PCI Card.

Benefits

Wireless-B (802.11b) connectivity for your

Features

Up to 11Mbps, High-Speed Data Transfer Rate with Automatic Fallback Compliant with 802.11b, DSSS, 2.4GHz Standard Plug-and-Play Operation Provides Easy Setup Supports up to 128-Bit WEP Encryption Compatible with Virtually All Major Network Operating Systems Uses Direct Sequence Spread Spectrum (DSSS) to Maintain Connectivity Hardware Buffer Chaining Provides High Performance While Reading and Writing Buffers Free Software Driver Upgrades Free Technical Support24 Hours a Day, 7 Days a Week, Toll-Free US Calls 1-Year Limited Warranty

desktop PC

Data rates up to 11Mbps in the 2.4GHz

radio band

Put your PC wherever you want, with no

cabling hassle

Included Setup Wizard takes you through
configuration, step by step

Specifications

Model Number Standards Card Type Channels
WMP11 ver. 2.7 IEEE 802.11b 32-bit PCI

Package Contents

One Wireless PCI Card One Detachable Antenna One Setup CD-ROM with User Guide One Quick Installation guide Registration Card
11 Channels (USA) 13 Channels (Europe) 14 Channels (Japan)
One Antenna 15 dBm -82 dBm BPSK, QPSK, CCK IPX/SPX, TCP/IP, NetBEUI Power, Link
Port Transmit Receive Sensitivity Modulation Network Protocols LEDs

Minimum Requirements

One PC (200MHz or Faster Processor) with: 64MB RAM CD-ROM Drive Windows 98SE, ME, 2000, or XP Available PCI Slot

Environmental

Dimensions
5.25" x 4.76" x 0.75" (133 mm x 121 mm x 19 mm) 3.2 oz. (0.09 kg) 3.3 or 5V DC FCC Class B, Wi-Fi, CE, WHQL 32F to 131F (0C to 55C)

E-mail:

Unit Weight Power Certifications Operating Temp. Storage Temp.

Linksys

World Headquarters: 17401 Armstrong Ave. Irvine, CA 92614 USA sales@linksys.com support@linksys.com http://www.linksys.com
-4F to 158F (-20C to 70C)
Operating Humidity 0% to 90%, Non-Condensing Storage Humidity
0% to 95%, Non-Condensing
Linksys products are available in more than 50 countries, supported by 12 Linksys Regional Offices throughout the world. For a complete list of local Linksys Sales and Technical Support contacts, visit our Worldwide Web Site at www.linksys.com.
DS-WMP11ver.2.7-102202B JL

Setting Up a Home Wireless Network

What You Need

If you're still using a dial-up modem to access the Internet, it's time to consider broadband. Depending on where you live, you can either opt for a cable or ADSL/DSL solution. A cable solution uses a cable modem such as the Motorola SB4200 SURFboard to connect to an access point, such as those used for cable TV. On the other hand, an ADSL/DSL modem uses the phone line to connect to the Internet. The advantage of using a cable modem is that the connection is always on; there is no need to dial up to a server. The same can be true for ADSL/DSL, though it still takes a short while to reestablish a connection after it has been disconnected due to inactivity. Speed-wise, you could possibly achieve speeds from 768Kbps to 1.5Mbps for an ADSL/DSL connection, while the cable modem can achieve a speed of 3Mbps. Note that speed depends on your service provider. Pictures are just examples
Figure 1. The Motorola SB4200 cable modem
The cable/ADSL/DSL modem usually comes with two types of interfaces that you connect directly to your computer--USB or Ethernet. But doing so only allows one computer to connect to the Internet. Instead, by using a router, more than one computer can have access (in this case, your modem must support the Ethernet connector). Since most ISPs provide only a single IP address for a cable/ADSL/DSL connection, you need a router that is able to perform Network Address Translation (NAT). NAT translates multiple IP addresses on the local network to a single IP address that is sent out onto the Internet. But the point of this endeavor is going wireless, so we need to find a wireless access point (AP) that comes with a router. The Linksys BEFW11S4 is a good example; it's an 802.11b wireless access point with a four-port switch. 802.11b devices can transmit data at a maximum data rate of 11Mbps, with an effective range of about 150 feet. But don't be misled by these numbers--in practice, you can expect a much lower data rate, and the effective range is dependent on the obstructions placed between your AP and your receiver.
Figure 2. The Linksys BEFW11S4 Wireless Access Point with 4-port switch
You connect your cable/ADSL/DSL modem to the WAN port of your wireless access point (plus up to four computers with Ethernet cables to the four-port switch). I like to place my wireless access point near my desktop computer so that I can connect it directly using an Ethernet cable.
Figure 3. Rear View of the Linksys BEFW11S4
With the above setup, all of your computers, connected directly to the access point via Ethernet cables, can now surf the Internet! Check the IP address of each computer connected; they should all be different. Now let's turn to the wireless portion of things. First, you might have a notebook computer that you want to connect to your home network. For this purpose, you can easily get a wireless PCMCIA card for your notebook, such as the Linksys WPC11.
Figure 4. The Linksys PCMCIA 802.11b Wireless Adapter
If you want to enable wireless access for your desktop, you have two choices of adapters-PCI or USB. The Linksys WMP11 is an 802.11b PCI card that allows your desktop to connect to the network wirelessly:
Figure 5. The Linksys WMP11 802.11b PCI Wireless Adapter

If you do not want to open up your computer casing, or you simply want to share a wireless adapter among many computers, the Linksys WUSB11 is a good choice. Simply connect the USB wireless adapter to the USB port on your computer and you can get on the network.
Figure 6. The Linksys WUSB11 USB Wireless Adapter
Figure 7 shows a typical wireless network setup:
Figure 7. A Typical Wireless Network Setup
Configuring Wireless Devices
Once all of the necessary devices are installed, it's not difficult to test the wireless connection. Your wireless adapter comes with utilities to change its settings. In my case, I'm using the software that came with the Linksys PCMCIA card.
Figure 8. Examining the Link Quality and Signal Strength of the Wireless Connection
Under the Link Info tab, it shows that my link quality and signal strength are pretty good. In general, the closer the wireless adapter is to the wireless access point, with a clear lineof-sight, the better the signal quality.
Figure 9. Specifying the Mode and SSID for the Wireless Network
Under the Configuration tab, you can select the wireless mode--Infrastructure or Ad Hoc. Infrastructure mode uses wireless access points, while Ad Hoc mode is for peer-to-peer communication. In my case, I selected Infrastructure mode. The SSID (Service Set Identifier) acts like a "password." All wireless devices wanting to participate in a particular wireless network must specify a SSID. The wireless devices will not be able to participate in this network if the SSID is not specified (or if it is not stated correctly). In my case, the default SSID is "linksys." You are strongly advised to change this to something else. See the next section on SSID. By default, encryption is not enabled. Encryption is important, because hackers equipped with the necessary devices can sniff the packets transmitted by the wireless network, thereby compromising your data. Wired Equivalent Privacy (WEP) is a protocol used for encrypting packets on a wireless network. It uses a 64-bit (or 256-bit, depending on the vendor) shared key algorithm. Using WEP will increase the protection on your data, but doing so will reduce the effective data rates.
Some Guidelines for Wireless Networking
Though your new wireless network allows you to have the freedom to surf the Internet anywhere in your house, it's also good news for your close neighbors, because some of them can now surf the Internet for free! Unlike a wired network, where you need to have physical access to a network point in order to gain access to the network, a wireless network extends beyond the four walls of your house.

Most wireless access points and routers provide a Web-based configuration program for configuring the wireless access point. Below are some guidelines for "securing" your wireless network:
Change the default SSID. Most people don't even bother to change the default SSID provided by a wireless access point. If your neighbor knows that you are using a Linksys wireless access point (say, by seeing the boxes you throw away), they could easily try the default SSID. Always change the SSID to something obscure, and never try to use your company name or your personal name. These names are too easy to guess. Disable SSID broadcast. By default, most wireless access points will broadcast the SSID to all wireless devices; anyone with a wireless network card can detect the SSID you use in your network and gain access to your network. Use MAC address filtering. If you have a small number of users in your wireless network (which is usually the case), you can use MAC address filtering. With MAC address filtering, you enter the MAC address of your network card and manually enter this number into your wireless access point. Only MAC addresses that have been registered with the wireless access point are able to gain access to your network. You can usually locate the MAC address of your network card on the device itself. Always change the default user name and password for your wireless access point. It's too easy for people to guess the default user names and passwords used in wireless access points. Turn off DHCP. Use static IP addresses if the number of users on the network is small. Turning off DHCP will prevent wireless sniffers from seeing the IP addresses being used. Refrain from using the default IP subnet. Most wireless routers use the default 192.168.1.0 network. It is easy for people to guess the IP addresses used and illegally gain access to the network. Use WEP for encryption of packets. If you are concerned about the confidentiality of information transmitted by your wireless network, you may wish to enable WEP encryption. Though WEP has been proven to be "crackable," it still acts as a deterrent against packet sniffing for everyone but ardent hackers.