both from the XBP24BZ7SITB003 do XBP24BZ7SIT-004

XBee & XBee Gateway ZNet 2.5
1

where to get the firmware for XBP24BZ7SITB003 to working as XBP24BZ7SIT-004

2

You have to write and load an application on the XBP24BZ7SITB003 module Freescale processor first before you can access the RF processor.