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2-4
VRC 6940 Product Reference Guide
4. Optional: attach a primary antenna to the connector at the top of the terminal, as
shown in Figure 2-4. To attach the antenna:
a. Place the metal end of the antenna onto the connector.
b. Line up the posts with the connector openings and press down gently.
c. Twist the bottom ring clockwise to lock it into position.
Figure 2-4. Attaching a Primary Antenna
5. Optional: install a vehicle-mounted antenna. Sometimes you can improve wireless
communication by mounting an external antenna onto the vehicle, as shown in
Figure 2-5. Symbol has several different external antennas available. Contact your
Support Representative for more information.
To connect an external vehicle-mounted antenna:
a. Secure the external antenna to an appropriate location on the vehicle.
b. Connect one end of a coaxial cable to the terminal’s Antenna Connector. Connect
the other end to the vehicle-mounted antenna. Make the coaxial cable as short as
possible to minimize signal loss.
Figure 2-5. Vehicle-Mounted Antenna
Back of Terminal
Antenna Connector
Coaxial Cable
Antenna