15
Product Install Guide – M4xx Series
03/11/22 | V1.9.9
GSM & GSM/LTE Antenna (M40x)
To reduce interference the GSM & GSM/LTE antennas
MUST be placed atleast 7.87 inches (20cm) from the
GPS antenna and any electrical equipment. It must
also be placed atleast 1.2 inches (3 cm) from any metal
in the vehicle.
GPS Antenna (M40x)
To reduce interference
the GPS antenna
MUST be placed
atleast 7.87 inches
(20cm) from the GSM
antenna.
Use the included
double sided tape and
a piece of reinforced
tape on top to x the
antenna in position.
The antenna also has
a magnet to hold it in
place if you are tting
it to metal.
The GPS antenna is tted under the dash or
on the a-pillar, with a clear line of sight to the
sky. See §“GSM, GSM/LTE & GPS positions
(M40x)” on page16 for examples.
The MICHELIN Connected Fleet logo on the
GPS antenna must face the sky, see below.
There is also an arrow on the side indicating
the way it must face.
There can be no metal obstructing the line of
sight of the GPS antenna.
The side with the
antenna symbol
must be facing the
sky.
INTERFERENCE
POSITIONING AND MOUNTING
INTERFERENCE
MOUNTING
POSITIONING
The GSM & GSM/LTE antennas is installed covertly, but it can
also be
installed overtly on the windscreen. See examples §“GSM, GSM/
LTE & GPS positions (M40x)” on page16.
When installing the GSM & GSM/LTE antennas covertly you t it behind a panel
or the dash, see the vehicle specic guide for positions. Fix the antenna in
position with the reinforced tape.
If you are installing the GSM & GSM/LTE antennas overtly on a thermal
windscreen, with a dotted area, make sure you are tting it on the non-thermal,
dotted, area. See §“GSM, GSM/LTE & GPS positions (M40x)” on page16. If you
are installing it overtly on a classic windscreen t it behind the rear view mirror
in one of the bottom corners. See §“GSM, GSM/LTE & GPS positions (M40x)” on
page16.
12. Antennas
7.87” 20 cm
20 cm
7.87”
7.87” 20 cm
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