Dell Smartcard Keyboard KB813 - Manual (Page 44)

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Specifications
General
Manufacturer Logitech
Model number KB813
Connection type USB
Supported operating systems Microsoft Windows 2000, Microsoft
Windows XP, Windows Vista, Windows 7,
Windows 8, Microsoft Windows Server 2003,
Windows Server 2008, Microsoft Server 2012,
Linux Ubuntu, OpenSuse and RedHat
Keyboard interface USB
Keyswitch feeling Rubber dome tactile feedback
Rollover Pseudo 6-key rollover capability
Electrical
Power requirements 4.75 to 5.25 Vdc (through PC USB port)
Power consumption 100mA max.
Switch actuation force 59 g ± 12g
Physical
Height 40 mm
Width 446.5 mm
Depth 151.5 mm
Weight 670 g
Cable length 1.8 m
Environmental
Operating temperature -10 oC ~ 50 oC
Storage temperature -40 oC ~ 65 oC
Operating humidity 0 ~ 90% RH, non condensing
Storage humidity 0 ~ 90% RH, non condensing
Reliability
Card Reader Insertion Life 100K times