btw-6_1_0_1501-sdk\BTW_06.01.00.1501_SDK_Release_Notes.pdf ..................\... 6.1.0.1501 SDK\setup.exe ..................\bluetooth_essentials_for_programmers.4272206415.pdf ..................\BTW 6.1.0.1501 SDK btw-6_1_0_1501-sdk