Product comparison · 2 keyboards

KeySonic ACK-540RF+ keyboard RF Wireless German Black vs KeySonic ACK-540U+ (DE)

20specifications compared
9differ
11identical
26known for one product only

Key differences

Connectivity technology
- ACK-540RF+ keyboard RF Wireless German Black:Wireless
- ACK-540U+ (DE):Wired
Device interface
- ACK-540RF+ keyboard RF Wireless German Black:RF Wireless
- ACK-540U+ (DE):USB
LED indicators
- ACK-540RF+ keyboard RF Wireless German Black:Yes
- ACK-540U+ (DE):Status
Power source type
- ACK-540RF+ keyboard RF Wireless German Black:Battery
- ACK-540U+ (DE):USB
Operating temperature (T-T)
- ACK-540RF+ keyboard RF Wireless German Black:-5 - 40 °C
- ACK-540U+ (DE):0 - 50 °C
Operating relative humidity (H-H)
- ACK-540RF+ keyboard RF Wireless German Black:-10 - 85%
- ACK-540U+ (DE):10 - 85%
Keyboard weight
- ACK-540RF+ keyboard RF Wireless German Black:657 g
- ACK-540U+ (DE):665 g
Package weight
- ACK-540RF+ keyboard RF Wireless German Black:890 g
- ACK-540U+ (DE):860 g

Side by side

Differences highlightedShow differences only

Comparison of ACK-540RF+, ACK-540U+ (DE)
46 specifications	A KeySonic ACK-540RF+ keyboard RF Wireless German Black Model ACK-540RF+ View product	B KeySonic ACK-540U+ (DE)View product
Keyboard2 differ
Connectivity technologyDiffers	Wireless	Wired
Device interfaceDiffers	RF Wireless	USB
Keyboard languageKnown for one	German	Unknown — not stated by the source
PurposeKnown for one	HTPC	Unknown — not stated by the source
Frequency bandKnown for one	2.4 GHz	Unknown — not stated by the source
CertificationKnown for one	CE, FCC, BSMI, WEEE	Unknown — not stated by the source
Recommended usageKnown for one	Unknown — not stated by the source	Office
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTZ
Design1 differ
Surface colorationKnown for one	Monochromatic	Unknown — not stated by the source
Battery LED indicatorKnown for one	Yes	Unknown — not stated by the source
LED indicatorsDiffers	Yes	Status
Ergonomic designKnown for one	Unknown — not stated by the source	Yes
Featuresidentical
Wireless rangeKnown for one	10 m	Unknown — not stated by the source
Cable lengthKnown for one	Unknown — not stated by the source	1.9 m
Power1 differ
Power source typeDiffers	Battery	USB
Keyboard battery typeKnown for one	AAA	Unknown — not stated by the source
Number of batteries (keyboard)Known for one	2	Unknown — not stated by the source
Power consumptionKnown for one	17 mA	Unknown — not stated by the source
Number of batteries supportedKnown for one	2	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Alkaline	Unknown — not stated by the source
System requirements1 differ
Windows operating systems supportedDiffers	Windows 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	Windows 2000, Windows 98, Windows ME, Windows Vista Home Premium, Windows XP Home
Operational conditions2 differ
Operating temperature (T-T)Differs	-5 - 40 °C	0 - 50 °C
Operating relative humidity (H-H)Differs	-10 - 85%	10 - 85%
Sustainabilityidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Weight & dimensions1 differ
Keyboard weightDiffers	657 g	665 g
WeightKnown for one	657 g	Unknown — not stated by the source
Packaging contentidentical
Receiver includedKnown for one	Yes	Unknown — not stated by the source
Wireless receiver interfaceKnown for one	USB Type-A	Unknown — not stated by the source
Receiver typeKnown for one	Standard receiver	Unknown — not stated by the source
Receiver dimensions (WxDxH)Known for one	63 x 11.5 x 23 mm	Unknown — not stated by the source
Receiver weightKnown for one	9 g	Unknown — not stated by the source
Packaging data1 differ
Package weightDiffers	890 g	860 g
Other featuresidentical
Built-in touchpadKnown for one	Yes	Unknown — not stated by the source
Maximum operating distanceKnown for one	10 m	Unknown — not stated by the source
InternalKnown for one	Unknown — not stated by the source	No

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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