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Product comparison · 2 keyboards

KeySonic ACK-540RF+ keyboard RF Wireless German Black vs Lenovo 51J0179 keyboard USB Black

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  • 6specifications compared
  • 4differ
  • 2identical
  • 38known for one product only

Key differences

  • Connectivity technology
    • Wireless
    • Wired
  • Device interface
    • RF Wireless
    • USB
  • Keyboard dimensions (WxDxH)
    • 291 x 197 x 29 mm
    • 457 x 185 x 35 mm
  • Keyboard weight
    • 657 g
    • 1.06 kg

Side by side

Differences highlightedShow differences only
44 specifications
A

KeySonic

ACK-540RF+ keyboard RF Wireless German Black

Model ACK-540RF+

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B

Lenovo

51J0179 keyboard USB Black

Model 51J0179

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Keyboard2 differ
Connectivity technologyDiffersWirelessWired
Device interfaceDiffersRF WirelessUSB
Keyboard languageKnown for oneGerman
Pointing deviceKnown for oneTouchpad
Keyboard form factorKnown for oneMini
Keyboard number of keysKnown for one89
PurposeKnown for oneHTPC
Frequency bandKnown for one2.4 GHz
CertificationKnown for oneCE, FCC, BSMI, WEEE
Designidentical
Keyboard styleKnown for oneStraight
Product colourBlackBlack
Surface colorationKnown for oneMonochromatic
Battery LED indicatorKnown for oneYes
LED indicatorsKnown for oneYes
Featuresidentical
Wireless rangeKnown for one10 m
Plug and PlayKnown for oneYes
Cable lengthKnown for one2.3 m
Poweridentical
Power source typeKnown for oneBattery
Keyboard battery typeKnown for oneAAA
Number of batteries (keyboard)Known for one2
Power consumptionKnown for one17 mA
Number of batteries supportedKnown for one2
Batteryidentical
Battery technologyKnown for oneAlkaline
Mouseidentical
Mouse includedNoNo
System requirementsidentical
Windows operating systems supportedKnown for oneWindows 2000, Windows 2000 Professional, Windows 98SE, Windows ME, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Ho
USB requiredKnown for oneYes
Mac operating systems supportedKnown for oneNo
Operational conditionsidentical
Operating temperature (T-T)Known for one-5 - 40 °C
Storage temperature (T-T)Known for one-20 - 65 °C
Operating relative humidity (H-H)Known for one-10 - 85%
Sustainabilityidentical
Compliance certificatesKnown for oneRoHS
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs291 x 197 x 29 mm457 x 185 x 35 mm
Keyboard weightDiffers657 g1.06 kg
WeightKnown for one657 g
Packaging contentidentical
Receiver includedKnown for oneYes
Wireless receiver interfaceKnown for oneUSB Type-A
Receiver typeKnown for oneStandard receiver
Receiver dimensions (WxDxH)Known for one63 x 11.5 x 23 mm
Receiver weightKnown for one9 g
Packaging dataidentical
Package dimensions (WxDxH)Known for one312 x 245 x 31 mm
Package weightKnown for one890 g
Other featuresidentical
Built-in touchpadKnown for oneYes
Maximum operating distanceKnown for one10 m
Compatible operating systemsKnown for oneWindows XP, Windows Vista, Windows 7

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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