This is the SKXBee/SKXBee-Pro boardwithout the module. This board is basically a USB to UART beakout board for XBee module and it comes along with the USB miniB Type Cable. The 2mm ptich to pitch female header soldered on board allows you to plug in the XBee module without soldering. This board is aiming for user who owns the standalone XBee module or any other compatible module such as BlueBee or RFBee. Plug in the module, attach the USB cable and you are ready to use it as wireless device. Please do go through the User's Manual under "Attachment" tab for more information.