Cisco LINKSYS WUSB54AG User Manual page 48

Wireless A/G USB Network Adapter
Operating Temp. 0ºC to 40ºC (32ºF to 104ºF)
Storage Temp. 0ºC to 70ºC (-40ºF to 158ºF)
Operating Humidity 10% to 85%, Non-Condensing
Storage Humidity 5% to 90%, Non-Condensing
Appendix E: Specifications 42