it was working well on my Notebook over USB. I did resell it after a cupple of tests....I am using now a Emtac Bluetooth GPS Receiver (CRUX II/ BTGPS™ Receiver). This one is really cool. I did install it fix in my car (have already 5V for the WLAN Access Point) and using it with the Wayfinder GPS Software on the SE P800 over the AUX Port from my Empeg for the voice output.

bye