Range :transmission Distance Indoors As Far As 50 Meters As Far As 150 Meters (environmental Factors Influence) Outdoor 100-200m ( Theoretical Value) Frequency:working Frequency 2.4 ~ 2.4835 Ghz Consumption:ultra-low Power Consumption, 3.3vdc Operating Voltage Antenna :external Antenna Operation System :supports Windows 2000 / Xp/vista/windows 7 / Win Ce/linux/mac Os/android Operating System Certification :comply Rohs, Reach Ce, Fcc Approved Other:wifi+bt