4 Check the antenna location for any electrical interference according to vehicle manufacturer
requirements.
5 The minimum distance between the antenna and the radio/accessories should be at least 91.5
cm (3 feet).
6 Make sure that the mobile radio antenna is installed at least 3 feet (0.9 meter). away from any
other antenna on the vehicle.
NOTICE: Any two metal pieces rubbing against each other (such as seat springs, shift
levers, trunk and hood lids, exhaust pipes) close to the antenna can cause severe
receiver interference.
7 If a GPS or combined TETRA/GPS antenna is used, make sure that the antenna has a clear
view to the sky and that the antenna base which carries the GPS/GNSS receiver is not covered
with any metallic or radio frequency absorbing material.
6.1.3
Installing Antenna
Procedure:
1 Mount the antenna according to the instructions provided with the antenna kit. Run the coaxial
cable to the radio mounting location. If necessary, cut off the excess cable and install the cable
connector.
2 Connect the antenna cable connector to the radio antenna connector on the rear of the radio.
3 If applicable, connect the GPS antenna to the GPS antenna connector PMKN4114_ on the rear
side of the radio.
Figure 77: Connections to the Rear Side of the Radio
Number Description
1 Antenna BNC Connector
2 Battery +
3 Battery –
4 GPS Antenna SMA Connector
68015000181-LB
Chapter 6: External Equipment Installation
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