I read on site "Pafers" a T-Kit works on ipad 3.0 and +.
T-Kit is a bluetooth equipment we can install on indoor cycle for training and the part works with ipad.
Sorry No you can't upgrade you iPad2 to the newer Bluetooth standard.
Only the newer generations of iPads have Bluetooth 4.0 services.
carollcaouette 가/이 대단히 고마워 할 것입니다.