A vehicle tracking unit for a vehicle of a type including a vehicle alarm indicator may include a vehicle position determining device, a wireless communications device, and a controller connected to the wireless communications device and the vehicle position determining device to send vehicle position information to a monitoring station. The amplifier includes a local oscillator that generates two reference signals 90 out of phase with respect to each other. The first buses are oriented in a first direction and the second buses are oriented in a second direction. The laminate will hereby be provided with a d\xe9cor surface with a matching surface structure which is in register with the d\xe9cor of the decor paper. The ring tone associated with the contact information is retrieved and processed to alert the called number to the communication from the calling number. The first gas supply pipe has at least one first gas exhaust outlet and supplies an organometallic gas containing Group III metal as a first gas, and the second gas supply pipe supplies a gas containing nitrogen gas as the second gas.