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Product comparison · 2 numeric keypads

Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey vs Trust 22221 numeric keypad Laptop/PC USB Black

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  • 9specifications compared
  • 6differ
  • 3identical
  • 20known for one product only

Key differences

The Trust 22221 numeric keypad Laptop/PC USB Black has 2 more keyboard keys than the Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey (23 vs 21). Device interface: RF Wireless on the Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey, USB on the Trust 22221 numeric keypad Laptop/PC USB Black. Purpose: Universal on the Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey, Laptop/PC on the Trust 22221 numeric keypad Laptop/PC USB Black. Product colour: Grey on the Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey, Black on the Trust 22221 numeric keypad Laptop/PC USB Black. Power source type: Battery on the Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey, USB on the Trust 22221 numeric keypad Laptop/PC USB Black.

  • Device interface
    • RF Wireless
    • USB
  • Purpose
    • Universal
    • Laptop/PC
  • Keyboard number of keys
    • 21
    • 23
  • Product colour
    • Grey
    • Black
  • Power source type
    • Battery
    • USB

Side by side

Differences highlightedShow differences only
29 specifications
A

Lenovo

4Y41C33791 numeric keypad Universal RF Wireless Grey

Model 4Y41C33791

View product
B

Trust

22221 numeric keypad Laptop/PC USB Black

Model 22221

View product
Features3 differ
Device interfaceDiffersRF WirelessUSB
Key switch typeKnown for oneTactile
PurposeDiffersUniversalLaptop/PC
Pointing deviceNoNo
USB hubNoNo
Keyboard number of keysDiffers2123
Keys operating lifeKnown for one10 million characters
Frequency bandKnown for one2.4 GHz
CalculatorKnown for oneYes
Hot keysKnown for oneYes
Plug and PlayKnown for oneYes
Design1 differ
Ergonomic designKnown for oneYes
Product colourDiffersGreyBlack
Cable lengthKnown for one1.5 m
Power1 differ
Power source typeDiffersBatteryUSB
System requirements1 differ
Windows operating systems supportedDiffersYesWindows 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 oneYes
Weight & dimensionsidentical
WidthKnown for one132.8 mm
DepthKnown for one85 mm
HeightKnown for one13.5 mm
WeightKnown for one109 g
Packaging dataidentical
Package widthKnown for one180 mm
Package depthKnown for one127 mm
Package heightKnown for one43 mm
Package weightKnown for one277 g
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Operating relative humidity (H-H)Known for one20 - 95%
Other featuresidentical
Wireless receiver interfaceKnown for oneUSB
Logistics dataidentical
Harmonized System (HS) code8471606084716060

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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