Arduino radio frequency rf shields and accessories ciseco b004 this new version v06 of the xbee shield has dual xbee sockets and rtc support the device supports xbee xrf blue bee rfbee xv xbt x232 etc this shield has extra features employed to provide improvements over the existing xbee shield designs and offers more to the rf beginner the spare space on the board has additional tracks that can if desired be used for the easy addition of a range of basic devices to complete a f