Communication with the snychronizer works through a wireless serial link. The white USB stick with the small spiral antenna is one end of this wireless serial link. It needs this driver to work properly (a standard USB / UART transceiver chip) CP210X USB-UART driver (silabs) After installation, check windows device manager to find the correct COM port. It will look like this picture from the website “randomnerdtutorials.com”:
More information on the whole system is also available in the User Guide For The OPTOLUTION PIV System