Trust Ultra Small Bluetooth 2.1 USB Adapter (4 Pack) vs Zyxel NWD-270N 150 Mbit/s

Comparison of Ultra Small Bluetooth 2.1 USB Adapter (4 Pack), NWD-270N

20 specifications	A Trust Ultra Small Bluetooth 2.1 USB Adapter (4 Pack)View product	B Zyxel NWD-270N 150 Mbit/s Model NWD-270N View product
Ports & interfacesidentical
Connectivity technology	Wireless	Wireless
Host interface	USB	USB
Network1 differ
Maximum data transfer rateDiffers	0 Mbit/s	150 Mbit/s
Maximum operating distanceKnown for one	25 m	—Unknown — not stated by the source
Bluetooth versionKnown for one	2.1+EDR	—Unknown — not stated by the source
Designidentical
InternalKnown for one	—Unknown — not stated by the source	No
CertificationKnown for one	—Unknown — not stated by the source	CC/CE/IC/C-tick/NCC
System requirements1 differ
Compatible operating systemsDiffers	Windows Vista/XP	Microsoft Windows 2000, XP & Vista MAC OS X 10.3.x, 10.4.x & 10.5.x
Mac operating systems supportedKnown for one	—Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	0 - 50 °C
Storage temperature (T-T)Known for one	—Unknown — not stated by the source	-30 - 70 °C
Operating relative humidity (H-H)Known for one	—Unknown — not stated by the source	20 - 90%
Storage relative humidity (H-H)Known for one	—Unknown — not stated by the source	10 - 90%
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	59 mm
DepthKnown for one	—Unknown — not stated by the source	24 mm
HeightKnown for one	—Unknown — not stated by the source	13 mm
WeightKnown for one	—Unknown — not stated by the source	12 g
Other featuresidentical
Compliance industry standardsKnown for one	—Unknown — not stated by the source	802.11n, IEEE 802.11b/g
Power requirementsKnown for one	—Unknown — not stated by the source	DC 5V
Poweridentical
USB poweredKnown for one	Yes	—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.