ASUS USB-BT21 Mini Bluetooth Dongle, White vs Conceptronic Bluetooth® 2.1 USB Nano Adapter

Comparison of USB-BT21 Mini Bluetooth Dongle, White, Bluetooth® 2.1 USB Nano Adapter

22 specifications	A ASUS USB-BT21 Mini Bluetooth Dongle, WhiteView product	B Conceptronic Bluetooth® 2.1 USB Nano AdapterView product
Networkidentical
Wi-Fi bandKnown for one	Single-band (2.4 GHz)	—Unknown — not stated by the source
Frequency rangeKnown for one	2.4 - 2.4835 GHz	—Unknown — not stated by the source
ModulationKnown for one	GFSK	—Unknown — not stated by the source
Maximum operating distanceKnown for one	10 m	—Unknown — not stated by the source
Bluetooth versionKnown for one	2.0+EDR	—Unknown — not stated by the source
Designidentical
Product colourKnown for one	White	—Unknown — not stated by the source
System requirements1 differ
Compatible operating systemsDiffers	Windows 98/98SE/ME/2000/XP/Vista Mac OS X.3 +	Windows 2000, XP, Vista
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 60 °C	—Unknown — not stated by the source
Storage temperature (T-T)Known for one	-10 - 70 °C	—Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	—Unknown — not stated by the source
Weight & dimensions1 differ
WidthDiffers	19.5 mm	7 mm
DepthKnown for one	16 mm	—Unknown — not stated by the source
HeightKnown for one	8.1 mm	—Unknown — not stated by the source
WeightKnown for one	22 g	—Unknown — not stated by the source
Other featuresidentical
Connector(s)Known for one	USB A	—Unknown — not stated by the source
Link/Act LEDKnown for one	Yes	—Unknown — not stated by the source
Outdoor rangeKnown for one	—Unknown — not stated by the source	40 m
Indoor rangeKnown for one	—Unknown — not stated by the source	10 m
Packaging contentidentical
ManualKnown for one	—Unknown — not stated by the source	Yes

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.