Audi A4 8W - Telephone aerials; Aerial versions

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The number of available telephone aerials on the Audi A4 depends
on the trim level. Depending on trim level, the Audi A4 has a
maximum of 2 additional aerials in the bumper.
Depending on market and trim, the aerials have dierent func-
tions. Basically speaking, the function of the aerial can be dieren-
tiated on the basis of the information transmitted:
• Language
• Data (reception and/or transmission of data)
Note that LTE aerial 1 R297 receives data only, and does not
transmit.
The current aerial configurations for various markets are shown
below in a schematic form.
Telephone aerials
Aerial versions
All markets without Audi connect and without Audi phone box
All market specifications including Audi connect and not includ-
ing Audi phone box
All markets without Audi connect and without Audi phone box
European specification with Audi connect and Audi phone box
Information electronics control unit 1
Information
electronics control unit 1
Information
electronics control unit 1
Mobile phone amplifier
Mobile phone amplifier
Audi phone box
UMTS/GSM
Speech/data
LTE aerial 2
LTE/UMTS/GSM
Speech/data
LTE aerial 1
LTE
Data
LTE aerial 2
LTE/UMTS/GSM
Speech
1)
/data
UMTS/GSM
Speech/data
1)
not in USA
LTE aerial 1
LTE
Data
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