I have bought the Zire 72 + Kirrio Bluetooth GPS Bundle.

I need the GPS function primary for business. I have to drive goods with the company car (an Citroen C8) but the room inside the car is shielded (i also can't use my mobile phone inside the car).

Now i have a problem - no GPS navigation is possible inside the car and the only solution is an external GPS antenna for the Kirrio GPS device.

If an external antenna exist:

I live in Germany, Hamburg