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Circuit/System Description

WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

The digital radio receiver, located inside the A11 Radio, receives digital radio information from the XM antenna element which is part of the T4P High Frequency Antenna located on the outside of the vehicle. The XM antenna element is connected to the A11 Radio via a shielded coaxial cable. The A11 Radio supplies 5 V through the coax cable to power the internal antenna amplifier.

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