49
Hardware Installation
An external WWAN antenna jack is located on the rear of the device. To connect an external
antenna, the connector end of the antenna must be RP SMA male to fit into the RP SMA female
jack on the device.
To install the WWAN antenna to the vehicle, refer to the installation instructions as referred by the
manufacturer of the antenna.
Connecting a WLAN Radio Antenna
The WLAN antenna for the VM-521 mobile workstation is an optional component available through
your representative. For WLAN connector locations see
“Installing Antennas”
on page 48.
An external WLAN antenna jack is located on the rear of the device. To connect an external
antenna, the connector end of the antenna must be RP SMA male to fit into the RP SMA female
jack on the device.
To install the WLAN antenna to the vehicle, refer to the installation instructions as referred by the
manufacturer of the antenna.
GPS Antenna Connection
The GPS antenna for the VM-521 mobile workstation is an optional component available through
your representative. For GPS connector locations see
“Installing Antennas”
on page 48.
An external GPS antenna jack is located on the rear of the device. To connect an external
antenna, the connector end of the antenna must be RP SMA male to fit into the RP SMA female
jack on the device.
To install the GPS antenna to the vehicle, refer to the installation instructions as referred by the
manufacturer of the antenna.
To prevent a short circuit from occuring, the fitting differential between the center conductor and the
ground GPS antenna should be 3.0V or lower.
