I recently bought a used F350 flatbed and we have a Grandby coming from FWC in April. Preparing the truck I found three coaxial cables under the rear bench that go to a small, rectangular box on the cab roof that I’m guessing is an antenna. The cables are labeled WLan, Iridium, and GPS. I happen to have a Garmin GPS, and an In Reach that uses the Iridium network, but I don’t know if having the hardwired antenna is of any benefit, or how I’d put it to use. Any tech gurus care to help me sort this out? Thanks in advance 🙏🏻
Upfitter antenna?
#1
Posted 18 March 2021 - 03:26 PM
#2
Posted 19 March 2021 - 12:44 AM
I now use a newer on-road garmin to get to the trail then switch to a handheld chart plotter that I also use on the motorcycle.
PS: having an external antenna meant connecting and disconnecting one more wire from the device when I parked in the city overnight. It's PITA on some mounts and mounting locations.
Edited by Fishyhead, 19 March 2021 - 12:47 AM.
1997 Toyota T100 4x4 manual - 1993 FWC Ranger 8'
#3
Posted 20 March 2021 - 03:55 AM
Than you for the insights
#4
Posted 20 March 2021 - 02:14 PM
I am going to guess that antenna was installed by the prior owner and not Ford.
In general there is no need for an external antenna for either an inReach or GPS if they are mounted on the dash. Most of the inReach and handheld GPS devices don't even have the provision for a an external antenna. Also, will the antenna itself be covered by the cab over on the camper?
2016 Fleet Flatbed
2016 Toyota Tacoma
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