Specifications
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Table 5. Wireless keyboard specifications.
Specifications Value
Model number KB555
Connection type Dual Wireless (Bluetooth 5.1 and 2.4 GHz with Dell Secure Link USB Receiver)
System requirement
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Windows XP (Dell Secure Link USB Receiver only)
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Windows Vista (Dell Secure Link USB Receiver only)
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Windows 7, 32/64 bit (Dell Secure Link USB Receiver only)
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Windows Server 2003 (Dell Secure Link USB Receiver only)
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Windows Server 2008; 2008 R2 (Dell Secure Link USB Receiver only)
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Windows Server 2012; 2012 R2, 2016 (Dell Secure Link USB Receiver only)
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Windows 8, 32/64 bit, Windows8.1 (Basic function only)
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Android
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Chrome
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iOS, MacOS, iPadOS
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Linux (Ubuntu v18.04 LTS, Redhat 8.0+)
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Free-DOS (Dell Secure Link USB Receiver only)
Operating voltage 2.0 V ~ 3.2 V
Battery type Two AAA alkaline batteries
Weight (with battery) 428 g
Weight (without battery) 406 g
Length 398.60 mm (15.69 in.)
Width 126.86 mm (4.99 in.)
Height 26.27 mm (1.03 in.)
Operating -0°C to 40°C (32°F to 104°F)
Storage -40°C to 65°C (-40°F to 149°F)
Storage humidity 95% maximum relative humidity; non-condensing
RF protocol
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Bluetooth 5.1
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2.4 GHz RF
Range
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Up to 10 m radio range.
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No performance degradation up to maximum radio range (10 m).