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1
Front roof area
2
Rear roof area
Use Technical Specification ISO/TS 21609 (Road
Vehicles – "EMCs for installation of aftermarket
radio frequency transmitting equipment") when
retrofitting two-way radios. Comply with the
legal requirements for detachable parts.
If your vehicle has installations for two-way radio
equipment, use the power supply and antenna
connectors provided in the pre-installation.
Observe the manufacturer's supplements when
installing.
Two-way radio transmission output
The maximum transmission output (PEAK) at the
base of the antenna must not exceed the values
in the following table.
Frequency band and maximum transmission
output
Frequency band
Maximum transmis‐
sion output
Short wave
100 W
3 - 54 MHz
4 m frequency band
30 W
74 - 88 MHz
2 m frequency band
50 W
144 - 174 MHz
Terrestrial Trunked
10 W
Radio (TETRA)
380 - 460 MHz
Technical data 387
Frequency band
Maximum transmis‐
sion output
70 cm frequency
35 W
band
420 - 450 MHz
Two-way radio
10 W
(2G/3G/4G)
The following can be used in the vehicle without
restrictions:
Two-way radios with a maximum transmis‐
R
sion output of up to 100 mW
RF transmitters with transmitter frequencies
R
in the 380 - 410 MHz frequency band and a
maximum transmission output of up to 2 W
(trunked radio system/Tetra)
Mobile phones (2G/3G/4G)
R
There are no restrictions when positioning the
antenna on the outside of the vehicle for some
wavebands.
Terrestrial Trunked Radio (TETRA)
R
70 cm frequency band
R
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