Product comparison · 2 keyboards

KeySonic ACK-340 U+ vs KeySonic ACK-540 RF+

7specifications compared
5differ
2identical
14known for one product only

Key differences

Connectivity technology
- ACK-340 U+:Wired
- ACK-540 RF+:Wireless
Device interface
- ACK-340 U+:USB
- ACK-540 RF+:RF Wireless
Keyboard dimensions (WxDxH)
- ACK-340 U+:218 x 21 x 150 mm
- ACK-540 RF+:291 x 197 x 29 mm
Keyboard weight
- ACK-340 U+:320 g
- ACK-540 RF+:657 g

Side by side

Differences highlightedShow differences only

Comparison of ACK-340 U+, ACK-540 RF+
21 specifications	A KeySonic ACK-340 U+View product	B KeySonic ACK-540 RF+View product
Keyboard2 differ
Connectivity technologyDiffers	Wired	Wireless
Device interfaceDiffers	USB	RF Wireless
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTZ
CertificationKnown for one	Unknown — not stated by the source	CE FCC BSMI WEEE/RoHS
Keyboard number of keysKnown for one	77	Unknown — not stated by the source
Designidentical
Product colour	Black	Black
Featuresidentical
Wireless rangeKnown for one	Unknown — not stated by the source	10 m
Cable lengthKnown for one	1.9 m	Unknown — not stated by the source
Poweridentical
Battery typeKnown for one	Unknown — not stated by the source	AAA
Number of batteries supportedKnown for one	Unknown — not stated by the source	2
Mouseidentical
Mouse included	No	No
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	-5 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 85%
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs	218 x 21 x 150 mm	291 x 197 x 29 mm
Keyboard weightDiffers	320 g	657 g
Packaging dataidentical
Package lengthKnown for one	Unknown — not stated by the source	24.5 cm
Package widthKnown for one	Unknown — not stated by the source	312 mm
Package heightKnown for one	Unknown — not stated by the source	31 mm
Other features1 differ
Compatible operating systemsDiffers	Win 98SE / ME / 2000 / XP / Vista	Win 98SE/ME/2000/XP/Vista
Packaging tare weightKnown for one	Unknown — not stated by the source	0.89 kg
System requirementsidentical
Mac operating systems supportedKnown for one	No	Unknown — not stated by the source

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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