External bluetooth gps unit

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Hi all!

I want to use a bluetooth gps with my hero. i can pair the hero with the bluetooth gps, but i can't connect with it.

I know that there is a gps in the hero, but i want to use this app:

http://trackmaster.trackaroo.com/welcome

Which is far more accurate with an external unit on a track. Moreover, my car as a athermical windshield, and i would like to put the bluetooth unit in the back of the car to avoid signal cut.

The app use this add on to exploit external gps unit: bluetooth gps service: but in the description of the app we can read: htc hero not support bluetooth gps.

In my search on google, i could read that htc devices doesnt support SPP profile.

Any chance to find something to make it work??

Ps: i found the app "Bluetooth gps" which work like a charm with my external gps, so it can work, but how?