Computer keyboard: Difference between revisions - Wikipedia

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=== Wireless types ===

[[Wireless]] keyboards have become popular for their increased user freedom. However, wireless keyboards need batteries to work, and may pose a security problem due to the risk of [[eavesdropping]].<ref>{{cite news|url=http://www.pcworld.com/article/id,108712-page,1/article.html|title= Privacy Watch: Wireless Keyboards That Blab |author=Brandt, Andrew|publisher=PC World|date=2003-01-29}}</ref> COMPUTERS GET WASTED

A wireless keyboard often includes a required combination transmitter and receiver unit that attaches to the computer's keyboard port (see ''Connection types'' above). The wireless aspect is achieved either by [[radio frequency]] (RF) or by [[infrared]] (IR) signals sent and received from both the keyboard and the unit attached to the computer. A wireless keyboard may use an industry standard RF, called [[Bluetooth]].