Antenna Systems
The heating conductor and antenna structures for 3 FM antennas are located on the
inside of the rear window. Stranded wires are used to connect the antenna structures of
the rear window.
AM reception is enabled with the aid of the AM sensor in the rear spoiler. A conductor of
the split AM sensor is additionally used as a fourth FM antenna or FBD antenna. The AM
sensor consists of two stranded wire conductors with lengths optimized for AM recep-
tion. The diversity components are connected by means of a 3-pin ELO plug.
The HBL interference suppression filter suppresses interference on the supply line of the
third brake light (HBL) and of the rear window button line.
The rear window is powered via a rejecter circuit on the right-hand side of the rear window.
68
E61 Sports Wagon
Index Explanation Index Explanation
1
Rear window defogger with
integrated FM antennas 1-3
7
Rejecter circuit, ground (filter)
2
Compensator
8
HBL suppression filter (for brake light)
3
Rejecter circuit, ground (filter)
9
TV antenna 2 (Not for US)
4
AM/FM4/FBD antenna
10
TV amplifier (Not for US)
5
Antenna amplifier with antenna diversity module
11
Telephone emergency call antenna
6
Roof antenna (telephone, GPS, SDARS)
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