TARANG type of XBEEs are factory configured to talk with each other.This video describes the Direct functionality of the modem in which a Digital IO pin of transmitter modem is followed by the Receiver modem. br Like XCTU software for original XBEEs , we use TMFT software to configure Tarang radios. br AT commands are used for configuration. br br www.alselectro.wordpress.com br br www.alselectro.