Mercedes-Benz S-Class 2020 Operator's Manual page 481

1 Front roof area
2 Rear roof area
3
Rear fenders
4 Trunk lid
On vehicles with a panoramic sliding sunroof,
installing an antenna to the front or rear roof
area is not permitted.
On the rear fenders, it is recommended that you
install the antenna on the side of the vehicle
closest to the center of the road.
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:
Technical data 479
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 - 78 MHz
2 m frequency band 50 W
144 - 174 MHz
trunked radio sys‐ 10 W
tem/Tetra
380 - 460 MHz
70 cm frequency 35 W
band
400 - 460 MHz
Two-way radio 10 W
(2G/3G/4G)