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322 Technical data
Information on technical data
The given data only applies to vehicles with
standard equipment. Further information can be
obtained at a qualified specialist workshop.
On-board electronics
Notes on work on the engine electronics
* NOTES Premature wear through
improper maintenance
Improper maintenance may cause vehicle
components to wear more quickly and the
vehicle's operating permit may be invalidated.
Always have work on the engine elec‐
#
tronics and related components carried
out at a qualified specialist workshop.
Two-way radios
Installation notes for two-way radios
& WARNING Risk of accident due to
improper work on two-way radios
The electromagnetic radiation from two-way
radios can interfere with the on-board elec‐
tronics if RF transmitters are manipulated or
retrofitted incorrectly.
This could jeopardize the operating safety of
the vehicle.
You should have all work on electrical
#
and electronic components carried out
at a qualified specialist workshop.
& WARNING Risk of accident from incor‐
rect operation of two-way radios
If you operate two-way radios incorrectly in
the vehicle, the electromagnetic radiation
could interfere with the on-board electronics,
e.g.:
if the two-way radio is not connected to
R
an exterior antenna
if the exterior antenna is not correctly
R
mounted or is not of low reflection
This could jeopardies the operating safety of
the vehicle.
Have the low-reflection exterior antenna
#
installed at a qualified specialist work‐
shop.
When operating two-way radios in the
#
vehicle, always connect them to the
low-reflection exterior antenna.
* NOTE Invalidation of the operating per‐
mit due to failure to comply with the
instructions for installation and use
The operating permit may be invalidated if the
instructions for installation and use of two-
way radios are not observed.
Only use approved frequency bands.
#
Observe the maximum permissible out‐
#
put power in these frequency bands.
Only use approved antenna positions.
#
Use Technical Specification ISO/TS 21609 (Road
Vehicles - EMC guidelines for installation of after‐
market radio frequency transmitting equipment)
when retrofitting two-way radios. Comply with the
legal requirements for detachable parts.
If your vehicle has installing for two-way radio
equipment, use the power supply or antenna con‐
nections intended for use with the installing.
Observe the manufacturer's supplement during
installation.
Information on two-way radio transmission
output
The maximum transmission outputs (PEAK) at the
base of the antenna must not exceed the values
in the following table:
Frequency band and maximum transmission
output
Frequency band
Short wave
3 — 54 MHz
4 — m — waveband
74 — 88 MHz
2 — m — waveband
144 — 174 MHz
Trunked radio sys‐
tem/Tetra
380 — 460 MHz
Maximum transmis‐
sion output
100 W
30 W
50 W
10 W
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