Antenna, mobile phone/GPS/OnStar/satellite radio (US/CA)
| Antenna, mobile phone/GPS/OnStar/satellite radio (US/CA) | 
| Location | 
Rear section of the roof.
| Main purpose | 
Used for phone and telematics services as well as audio/navigation system. The antenna has outputs for CDMA/AMPS, GPS and XM.
| Type | 
    
    | • | 
       Frequency band, phone
        AMPS 824-894 MHz (analogue) PCS 1850-1900 MHz (CDMA)  | 
     |
| • | 
       Frequency band, GPS
        1574-1576 MHz.  | 
     |
| • | 
       Frequency band, satellite radio
        2332 - 2345 MHz  | 
     |
| Connection | 
CDMA/AMPS connection connected to phone (Tel 1 or UHP) or phone function in OnStar.
The GPS connection is connected to OnStar and/or the audio/navigation system. When the car is equipped with OnStar and navigation system the coaxial cable is connected to a splice in order to distribute the signals between the systems.
The XM connection is connected to the satellite radio receiver.
