xbee Pro S2B & xbee pro shield

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hello !
bought 2 (pro sxbee 2b) , 2 (xbee pro shields)  , want know how communicate 2 arduino uno using  (xbee pro s2b)
i don't know how configure or how use perfectly
i need guide or easy examples learn how communicate 2 arduino uno xbee  can 1 me please ?!
thanks



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