Dell KM5221W - Environmental; Wireless

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Environmental
Temperature:
Operating
-10°C to 50°C (14°F to 122°F)
Storage
-40°C to 65°C (-40°F to 149°F)
Storage humidity
95% maximum relative humidity;
non-condensing
Wireless
RF protocol
2.4 GHz RF
Range
• Up to 10 m radio range.
• No performance degradation up to maximum radio
range (10 m).