I looked up the WeBoost Destination RV cell booster and was surprised to see the antenna connection is suitable for a RG-6 75ohm cable. I've owned a few other Weboost models and they always used 50ohm SMA cables. We would have loved to be able to use an existing Coax port.
The cable TV external port is routed directly to the Antenna/Cable TV splitter and that includes the TV Antenna booster amplifier. That splitter usually interferes with using the coax for anything other than cable TV.
You can however, access that splitter because it's generally behind the Antenna/Cable wall plate. You'd have to test it, but you could then disconnect the cable side of the splitter to use it for your Weboost.
Of course, you'd have to have the antenna cable direct connected to the booster if you want to use the OTA TV antenna then.
Usually, that tiny switch on the plate is what chooses between OTA Antenna and Cable TV fed from the external port.
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2017 Winnebago Adventurer 37F
2016 Lincoln MKX Toad
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