Product comparison · 2 numeric keypads

KeySonic KSK-N100RF numeric keypad Universal RF Wireless Black vs Trust 22221 numeric keypad Laptop/PC USB Black

Key differences

Device interface
- KSK-N100RF numeric keypad Universal RF Wireless Black:RF Wireless
- 22221 numeric keypad Laptop/PC USB Black:USB
Purpose
- KSK-N100RF numeric keypad Universal RF Wireless Black:Universal
- 22221 numeric keypad Laptop/PC USB Black:Laptop/PC
Keyboard number of keys
- KSK-N100RF numeric keypad Universal RF Wireless Black:18
- 22221 numeric keypad Laptop/PC USB Black:23
Power source type
- KSK-N100RF numeric keypad Universal RF Wireless Black:Battery
- 22221 numeric keypad Laptop/PC USB Black:USB

Differences highlightedShow differences only

Comparison of KSK-N100RF, 22221
18 specifications	A KeySonic KSK-N100RF numeric keypad Universal RF Wireless Black Model KSK-N100RF View product	B Trust 22221 numeric keypad Laptop/PC USB Black Model 22221 View product
Features3 differ
Device interfaceDiffers	RF Wireless	USB
PurposeDiffers	Universal	Laptop/PC
CalculatorKnown for one	Unknown — not stated by the source	Yes
Keyboard number of keysDiffers	18	23
Hot keysKnown for one	Unknown — not stated by the source	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Keys operating lifeKnown for one	3 million characters	Unknown — not stated by the source
Frequency bandKnown for one	2.4 GHz	Unknown — not stated by the source
Wireless rangeKnown for one	10 m	Unknown — not stated by the source
Designidentical
Cable lengthKnown for one	Unknown — not stated by the source	1.5 m
Power1 differ
Power source typeDiffers	Battery	USB
System requirementsidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home
USB requiredKnown for one	Unknown — not stated by the source	Yes
Batteryidentical
Battery capacityKnown for one	280 mAh	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.