RBR50 and RBR20 Connection Issues

Hi,

Recently added one more satellite to my RBR50 router so I now have 3 and all of them are at least 30 feet apart. Despite that my satellite won't connect to devices that are in the same room. Some devices that are just within 10 feet of my RBR20 will regardless connect to the other satellite which is 20-25 feet away which results in a weakened signal. Any suggestions on how I can ensure the devices closest to each satellite get connected? I added the second satellite for that reason to have better coverage and signal strength.

Thanks
TD