What product are you even referring to?
Have you looked at http://knowledge.digi.com/articles/Knowledge_Base_Article/How-to-Calculate-Transmission-Range-of-Radios-Free-Space-Loss-Calculator
What product are you even referring to?
Have you looked at http://knowledge.digi.com/articles/Knowledge_Base_Article/How-to-Calculate-Transmission-Range-of-Radios-Free-Space-Loss-Calculator
i am using Xbee pro S2b with wire antenna