1. Full Form – Wireless Fidelity.

2. Requirements – AP, Adapter Card, Safeguard

3. Can Connect Devices through Wireless Topologies.

4. A Wireless LAN is called WLAN.

5. Standards – IEEE 802.11a / b / g.

Referred as LAN Transceiver, Base Station or Router.

1. Comes Internally or Externally.

2. PCMCIA Cards for Laptops, & PCI Cards for PCs.

Firewall & Anti Virus

1. Infrastructure ( AP based)2. Peer to Peer (Ad Hoc)3. Point to Multipoint Bridge

1. Radio Frequency Band : 5 GHz

2. Range : 100 – 150 feet

3. Data Transfer : 54 Mbps

4. Features : Popular & Cheap.Interference from Mobiles & Bluetooth can reduce transmission Speed.

* Click here for Wikipedia Reference.

1. Radio Frequency Band : 2.4 GHz

2. Range : 100 – 150 feet

3. Data Transfer : 11 Mbps

4. 2.4 Band Users : Bluetooth devices, Cordless Telephones.

Same as 802.11b, but is more advanced with the Data Transfer Speed of 54 Mbps.

1. SSID : Security Set Identifier

2. WEP : Wireless Equivalent Privacy

3. WPA : Wi – Fi Protected Acces

* Click here for full details.

1. Omni : Bidirectional2. Yagi : Unidirectional

1. Mobility.

2. Easy Installation.

3. Good Flexibility.

4. Security.

5. Uses Unlicensed part of Radio Spectrum.

1. Interference.

2. Degradation in Performance.

3. High Power Consumption.

4. Limited Range.