Motorola VML750, Руководство по установке

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VML750 — LTE Vehicular Subscriber Modem (VSM) Installation Guide Planning Antenna Mounting Location on a Police Patrol Vehicle
Procedure C-1 Planning Antennas Location on a Police Patrol Vehicle (Continued)
3 Draw imaginary lines 7.8” (20 cm) from both sides of the vehicle's roof and trunk
cover.
4 Plan mounting the antennas on areas determined by step 2 and 3 i.e. not closer than
36” (91.4 cm) to any existing antenna and at least 7.8” (20 cm) from the vehicle
sides.
5 Plan the antennas mounting locations, taking into account the available coaxial
cables length.
6 If possible, plan mounting the PSNB antenna on the vehicle's trunk cover.
7 Define the Diversity BB antenna location on the vehicle's roof with a minimum
direct distance of 78” (198 cm) from the PSNB antenna. If a PSNB antenna is not
required, plan mounting the Diversity/WiFi antenna on the vehicle’s trunk cover.
8 Define the Main BB antenna location on the vehicle's roof with a minimum distance
of 36” (91.4 cm) to the Diversity BB antenna and of 78” (198 cm) to the PSNB
antenna. It is recommended to install the main antenna on the center line at the
front side of the vehicle's roof.
9 Some vehicles may already have a PSNB antenna mounted. For these vehicles, it is
recommended to reinstall the PSNB antenna on the vehicle's trunk cover.
6802988C54-B July 2014
C-3