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Product comparison · 2 keyboards

Fujitsu KB521 DE/US vs Lindy 21840 keyboard Mouse included RF Wireless QWERTY English Black

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  • 12specifications compared
  • 9differ
  • 3identical
  • 28known for one product only

Key differences

  • Connectivity technology
    • Wired
    • Wireless
  • Device interface
    • USB
    • RF Wireless
  • Keyboard language
    • German, US English
    • English
  • Keyboard form factor
    • Full-size (100%)
    • Mini
  • Purpose
    • PC/Server
    • Universal
  • Product colour
    • Grey
    • Black
  • Power source type
    • USB
    • Battery
  • Mouse included
    • No
    • Yes

Side by side

Differences highlightedShow differences only
40 specifications
A

Fujitsu

KB521 DE/USView product
B

Lindy

21840 keyboard Mouse included RF Wireless QWERTY English Black

Model 21840

View product
Keyboard5 differ
Recommended usageKnown for oneOffice
Connectivity technologyDiffersWiredWireless
Device interfaceDiffersUSBRF Wireless
Keyboard languageDiffersGerman, US EnglishEnglish
Keyboard form factorDiffersFull-size (100%)Mini
Numeric keypadKnown for oneYes
Hot keysKnown for oneYes
PurposeDiffersPC/ServerUniversal
Keyboard layoutKnown for oneQWERTY
Pointing deviceKnown for oneMouse buttons
Keyboard number of keysKnown for one56
Frequency bandKnown for one2.4 GHz
Design1 differ
Island-style keyboardKnown for oneNo
Full-size keyboardKnown for oneYes
Ergonomic designKnown for oneYes
Adjustable keyboard heightKnown for oneYes
Product colourDiffersGreyBlack
Surface colorationKnown for oneMonochromatic
MaterialKnown for oneABS synthetics
Protection featuresKnown for oneSpill resistant
LED indicatorsKnown for oneYes
Featuresidentical
Cable lengthKnown for one1.85 m
Plug and PlayKnown for oneYes
Wireless rangeKnown for one10 m
Power1 differ
Power source typeDiffersUSBBattery
Battery typeKnown for oneAAA
Number of batteries supportedKnown for one2
Mouse1 differ
Mouse includedDiffersNoYes
Movement detection technologyKnown for oneOptical
Movement resolutionKnown for one400 DPI
System requirementsidentical
Windows operating systems supportedKnown for oneYes
Linux operating systems supportedKnown for oneYes
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Weight & dimensions1 differ
Keyboard dimensions (WxDxH)Differs462 x 167 x 24 mm110 x 60 x 18 mm
Keyboard weightKnown for one700 g
Packaging contentidentical
Receiver typeKnown for oneNano receiver
Batteries includedKnown for oneYes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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