Versions

12.0.0.6300	1.67%
12.0.0.6200	1.67%
12.0.0.6000	3.33%
12.0.0.5100	1.67%
12.0.0.4900	1.67%
12.0.0.3900	1.67%
12.0.0.3100	1.67%
12.0.0.1800	1.67%
6.5.1.5000	1.67%
6.5.1.4100	3.33%
6.5.1.2700	3.33%
6.5.1.2700	1.67%
6.5.1.2300	1.67%
6.5.0.2300	1.67%
6.5.0.2000	1.67%
6.4.0.2300	1.67%
6.3.0.8200	1.67%
6.3.0.7600	1.67%
6.3.0.7500	1.67%
6.3.0.7000	3.33%
6.3.0.5600	1.67%
6.3.0.5100	1.67%
6.3.0.3800	1.67%
6.2.5.600	5.00%
6.2.1.2400	1.67%
6.2.1.1900	1.67%
6.2.1.1100	3.33%
6.2.1.800	1.67%
6.2.1.500	5.00%
6.2.0.9602	1.67%
6.2.0.9600	1.67%
6.2.0.9600	8.33%
6.2.0.9400	1.67%
6.2.0.9400	1.67%
6.2.0.5800	1.67%
6.2.0.5800	1.67%
6.2.0.4100	1.67%
6.1.0.2200	1.67%
6.0.1.6400	1.67%
6.0.1.6300	3.33%
6.0.1.6300	1.67%
6.0.1.6204	3.33%
6.0.1.4900	1.67%
5.2.0.500	1.67%
5.1.0.3100	1.67%

btwapi.dll has 45 known versions, the most recent one is 12.0.0.6300. The average file size is about 730.03 KB. It is an authenticode code-signed executable issued to Broadcom Corporation by the certification authority VeriSign. The programs WIDCOMM Bluetooth Software, HP Integrated Module with Bluetooth wireless technology and Software Bluetooth WIDCOMM have been observed as installing specific variations of btwapi.dll.