How to set them up when multiple sets of MARS 4K are used at the same location?

OVERVIEWS: The methods of how to install multiple sets of Mars 4K will be shown in the below article.

• Up to 3 sets of MARS 4K at the same location
  
• Choose different Frequency Channels and the interval between the channels should be at least 2 numbers, do not use the same or adjacent channel；
  （eg A RX is channel 1, B RX should be ≥ channel 3）
• Place the Receiver at least 0.5m far from each other
  
• Place all Receivers 1.7m above the ground