67Appendix A: Specications
HARDWARE FEATURES
Environment
Operating Temperature: 0℃~40 ℃ (32 ℉~104℉)
Storage Temperature: -40℃~70 ℃ (-40 ℉~158℉)
Operating Humidity: 10%~90% non-condensing
Storage Humidity: 5%~90% non-condensing
* Only 2.412GHz~2.462GHz is allowed to be used in USA, which means only channel 1~11 is available for American users to choose.