Getting a cable signal wirelessly to 3 laptops

I work for a race team consisting of 3 cars each having an engineer. At
every track there is timing and scoring provided by the track via coax.
We have one tv set up for all of the teams to view but sometimes there
is a long distance between each team. The engineers would all love to
be able to see the timing and scoring on their laptops without having to
be directly connected to anything (having the freedom of the laptop).
Is it possible to convert this coax signal into a wireless signal? If
so, how? And what do i need in order to get this taken care of? Any
help will be greatly appreciated!


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