Product Drivers & Firmware



GBU521

The GBU521 is fully plug and play with Windows 10 unless you have one of the latest build versions. like (2004) If the GBU521 does not work plug and play please use the software for Windows 8.1
OS Type Version Release Date Lang File
Windows XP 32-bit
Windows XP 64-bit
Driver/Software 5.6.0.8700 05-06-2015 English GBU521_GBU421_XP_BT_v5.6.0.8700.zip
(199.43 MB)
Windows 8.1 32-bit
Windows 8.1 64-bit
Driver/Software 12.0.0.9980 05-06-2015 English GBU521_GBU421_Win8_Win8.1_BT_v12.0.0.9980.zip
(138.65 MB)
Windows Vista 32-bit
Windows Vista 64-bit
Windows 7 32-bit
Windows 7 64-bit
Driver 6.5.1.2700 07-12-2012 English GBU521_Win_Vista_7_v6.5.1.2700.zip
(234.26 MB)