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Exploring Wireless Network tutorials

  • In today’s age business uses WLAN (Wireless LAN). Unlike wired LANs, wireless devices transmit and receive data using Radio Frequencies (RF) or infrared signals. This frequencies or signals are sent through an Access Point (AP).

 

WIRELESS NETWORK ADAPTOR

  • Most wireless network adaptor (NIC) and Wireless Access Point confirm to standard based on the IEEE 802.1 Specification.

 

 

  • Following are multiple variety of IEEE 802.1 specification.

Wireless Standard

Year invented

Transmission Speed in Mbit/s

Transmission Frequency

Effective Indoor range

802.11

Jun 1997

1, 2

2.4 Ghz

 

802.11a

Sep 1999

Up to 54 mbps

5 Ghz

Appx.25 to 75 feet

802.11b

Sep 1999

Up to 11 mbps

2.4 Ghz

Appx. 100 to 150 feet

802.11g

Jun 2003

Up to 54 mbps

2.4 Ghz

Appx. 100 to 150 feet

802.11n

Oct 2009

Up to 150 mbps

2.4 / 5 Ghz

Appx. 70 to 230 feet

802.11ac (Draft)

Dec 2012

Up to 866 mbps

5 Ghz

 

802.11ad

Feb 2014

Up to 7000 mbps

2.4 / 5 / 60 Ghz

 

 

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