Product comparison · 2 keyboards

KeySonic ACK-340 RF+ vs KeySonic ACK-540BT keyboard USB QWERTZ Black

Key differences

Connectivity technology
- ACK-340 RF+:Wireless
- ACK-540BT keyboard USB QWERTZ Black:Wired
Device interface
- ACK-340 RF+:RF Wireless
- ACK-540BT keyboard USB QWERTZ Black:USB
Keyboard number of keys
- ACK-340 RF+:77
- ACK-540BT keyboard USB QWERTZ Black:88
Operating temperature (T-T)
- ACK-340 RF+:-5 - 50 °C
- ACK-540BT keyboard USB QWERTZ Black:0 - 50 °C
Keyboard dimensions (WxDxH)
- ACK-340 RF+:218 x 150 x 21 mm
- ACK-540BT keyboard USB QWERTZ Black:291 x 197 x 29 mm
Keyboard weight
- ACK-340 RF+:280 g
- ACK-540BT keyboard USB QWERTZ Black:657 g
Package dimensions (WxDxH)
- ACK-340 RF+:242 x 192 x 31 mm
- ACK-540BT keyboard USB QWERTZ Black:312 x 245 x 31 mm
Package weight
- ACK-340 RF+:480 g
- ACK-540BT keyboard USB QWERTZ Black:880 g

Differences highlightedShow differences only

Comparison of ACK-340 RF+, ACK-540BT
26 specifications	A KeySonic ACK-340 RF+View product	B KeySonic ACK-540BT keyboard USB QWERTZ Black Model ACK-540BT View product
Keyboard3 differ
Connectivity technologyDiffers	Wireless	Wired
Device interfaceDiffers	RF Wireless	USB
Keyboard layout	QWERTZ	QWERTZ
Keyboard number of keysDiffers	77	88
PurposeKnown for one	HTPC	Unknown — not stated by the source
Frequency band	2.4 GHz	2.4 GHz
CertificationKnown for one	CE, FCC, BSMI, WEEE/RoHS	Unknown — not stated by the source
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Designidentical
Product colour	Black	Black
LED indicators	Yes	Yes
Featuresidentical
Wireless range	10 m	10 m
Plug and Play	Yes	Yes
Poweridentical
Battery type	AAA	AAA
Number of batteries supported	2	2
Mouseidentical
Mouse included	No	No
System requirementsidentical
Mac operating systems supported	No	No
Operational conditions1 differ
Operating temperature (T-T)Differs	-5 - 50 °C	0 - 50 °C
Storage temperature (T-T)	-20 - 65 °C	-20 - 65 °C
Operating relative humidity (H-H)	10 - 85%	10 - 85%
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs	218 x 150 x 21 mm	291 x 197 x 29 mm
Keyboard weightDiffers	280 g	657 g
Packaging data2 differ
Package dimensions (WxDxH)Differs	242 x 192 x 31 mm	312 x 245 x 31 mm
Package weightDiffers	480 g	880 g
Other features1 differ
Compatible operating systemsDiffers	Win 98SE / ME / 2000 / XP / Vista	Win 98SE / ME / 2000/ Vista/ XP
Internal	No	No
Logistics data1 differ
Case or master carton dimensions (W x D x H)Differs	525 x 265 x 400 mm	520 x 335 x 335 mm

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.