MM-010019-001, Rev. B
29
7.2.2
Install and Connect GPS Antenna
The radio is equipped with a GPS receiver which requires connection to an externally-mounted GPS
antenna if the GPS functions will be utilized. Some installations may use a magnetic-mount stand-alone
GPS antenna installed separately from the SMR mobile antenna.
The SMR/GPS combo antenna kit includes a GPS antenna built into the base of the mobile antenna. The
antenna must be kept at least six (6) inches away from any other antenna mounted on the vehicle and have
at least six inches of surface ground plane beneath it.
The following antenna installation procedure is recommended:
1.
Once the mounting location is selected, refer to the antenna manufacturer’s mounting and testing
instructions for installation guidance. If necessary, contact M/A-COM’s Technical Assistance Center
(see page 16 for contact information).
2.
Route the cable from the GPS antenna to the rear of the radio. The cable should be kept out of casual
contact from persons within the vehicle.
3.
Connect the GPS antenna cable’s SMA plug-type (male) connector to the radio’s SMA receptacle-
type RF connector. Mate the two connectors and turn the plug clockwise. Tighten using two 5/16-inch
wrenches. Do not overtighten.
Do not attempt to alter the length of cable from the GPS antenna. Tie and stow excess
cable as necessary.