AFIK, you need a smart TV with a wireless connection or a direct network connection, which you likely do not have depending on the age of your RV. If you have an HDMI connection as a spare input to your TV, you may get by with a direct input from that Fire module that looks like a thumb drive or similar...
Others on this forum may have more direct and helpful experience in this...
2007 Tour Master T40C
Acura MDX toad
"It takes a great deal of time to recover from any improvement..."