You can try with this TVLibrary.dll just to see what name it reports.
It will log the name when it tries to see if its a TBS tuner like below:
[2013-12-17 14:00:13,012] [Log ] [TVService] [INFO ] - Check for TBS
[2013-12-17 14:00:13,018] [Log ] [TVService] [INFO ] - Turbosight: Checking if [PCTV 80e/290e/460e BDA 2875 TVTuner] is TBStuner
[2013-12-17 14:00:13,019] [Log ] [TVService] [DEBUG] - Turbosight: tuner filter name does not match
[2013-12-17 14:00:13,020] [Log ] [TVService] [INFO ] - Check for KNC
It will log the name when it tries to see if its a TBS tuner like below:
[2013-12-17 14:00:13,012] [Log ] [TVService] [INFO ] - Check for TBS
[2013-12-17 14:00:13,018] [Log ] [TVService] [INFO ] - Turbosight: Checking if [PCTV 80e/290e/460e BDA 2875 TVTuner] is TBStuner
[2013-12-17 14:00:13,019] [Log ] [TVService] [DEBUG] - Turbosight: tuner filter name does not match
[2013-12-17 14:00:13,020] [Log ] [TVService] [INFO ] - Check for KNC