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Thumb keyboard
Type of keyboard on mobile devices From Wikipedia, the free encyclopedia
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A thumb keyboard, or a thumb board, is a type of keyboard commonly found on PDAs, mobile phones, and PDA phones which has a familiar layout to an ordinary keyboard, such as QWERTY.[1] The inputting surface is usually relatively small and is intended for typing using the available thumbs, while holding the device.[2]

Devices with thumb keyboards
- BlackBerry
- Nokia Eseries
- Nokia Communicator
- Sony Ericsson Xperia X1
- Nokia N97
- HTC TyTN, HTC TyTN II, HTC Touch Pro, HTC Touch Pro2
- Some Sony CLIE PDAs
- Some Hewlett Packard PDAs (HP iPaq 4350/4355/63XX series)
- Xbox 360 Chatpad
- Motorola MPx220
- Palm Treo smartphones, with the exception of the Treo 180g
- Palm Tungsten C
- Samsung products including Samsung Blackjack (SGH-i607) and Samsung Galaxy Chat (GT-B5330)
- Motorola Q
- Wibrain: B1, B1L, B1H, I1
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References
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