The preferred location is between the exposed edge of the windshield roof line and the rear view mirror post as long as the clearances in fig.
Roof mounted transponder.
Prior to starting each trip it is the driver s responsibility to indicate the number of occupants in the vehicle by moving the switch to the appropriate setting 1 2 3.
Also known as fastrak flex fastrak switchable transponders fastrak flex transponders have a small black switch that can be moved to indicate the number of occupants in the vehicle.
Identify the position in your vehicle in which the transponder will be mounted.
After mounting the transponder keep this unique wrench in a secure place for future adjustment or removal.
Exterior transponder mounted above license plate.
The mounting location must provide direct line of sight communication between the transponder and the toll facility s overhead antenna.
In such cases special mounting instructions must be followed or an exterior transponder.
Fme transponders programmed for rooftop must be mounted on the roof of the vehicle.
The roof mounted transponder is recommended for large commercial vehicles such as trucks buses coaches and rvs.
If the license plate option is unviable then a roof mounted transponder can be utilized.
Mounting instructions the roof mounted transponder is recommended for large commercial vehicles such as trucks buses coaches and rvs.
Choose where to mount the exterior transponder either above or below the license plate.
Exterior transponder mounted below license plate.