Any usb scan gun can be used with BusinessMind Desktop App but we recommend the Honeywell Hyperion 1300g Barcode scanner, USB model which you can find on Amazon.com
If your looking for a scan guns that are compatible with the BusinessMind Web App click here. http://help.dcit.com/en/articles/6500102-what-type-of-scan-gun-can-i-use-with-businessmind-on-my-ipad-or-other-tablet-device