Looking at these two radios for my 3 cars (1 crawler and 2 racers) the crawler doenst need a high end radio but I would like one for my racers. AND, I would like to be able to drive the racers at the same time w/son and friends.

My question is this:
If I purchased a 4PL and additional R2104GF RX, would the 3PRKA TX bind with and control one of the cars with the R2104GF?

Will the 4PL bind with and control the R203GF RX included with the 3PRKA?

Futabas website says they are not FASST compatible but that is all.

Thanks for any info.