PrEParE anD DrIll holE
Mask the panel area around the hole position to protect the paintwork and headliner.
drill a pilot hole, and then increase the hole diameter to 19mm (3/4”), ensuring
that drill/cutter bit does not contact headliner. Clean area around the hole, carefully
removing all swarf. Apply some petroleum jelly or paint around the hole to prevent
corrosion.
FIttIng thE antEnna
remove the protective backing from the underside of the antenna and feed the
coaxial cables through the panel. Position the antenna over the hole ensuring correct
orientation and stick the antenna to the panel by applying firm downward pressure.
Assemble the nut and washer from underside and tighten.
routIng anD tErmInatIng coaxIal cablE(s)
Connect the extension coaxial cables to the antenna and route the cables to the
radio equipment. When routing the cables take care to avoid running them adjacent
to any existing vehicle wiring or fouling any moving vehicle components. the cables
must not be routed in front of any airbag device. Fit the correct coaxial connectors
or adapters to the cables as required.
commIssIon anD tEst
Check the GPS cable (if applicable):
• the connector body to centre pin should measure ~ 200 to 500Ω.
Check the comms cables:
• earth continuity: connector body to vehicle ground should measure
<0.1Ω;
• Connector body to centre pin should measure open circuit.
• Carry out VSWr check, the VSWr on all feeds should measure
<2.5:1 in transmit band.
• Connect the GPS cable to the receiver and check for satellite
acquisition.
• Connect the Cellular/Lte and WLAN cables (if applicable) or secure
unused pigtails.
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