Many data is exchanged serial, so having a RF-2-UART module will simply let you exchange data wireless over up to 300 meters.
Either you use two of such CSM modules or you feed data from PC using a CUL.
Onboard-Levelshifter? will make the module work in 3.3V or 5V host circuits.

Aim: Feed a moving LED display with remote data from a PC, wireless!

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