"m5stacks core" Compatible units
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These "m5stacks core" compatible units don't seem to be available in the US, or anywhere.
"env 2", "rf433", etc - 
					
					
					
					
Hello @ganeyvim
not sure about the U.S. but have you checked the M5Stack store?
- ENV II is EOL but seems to be still available.
 - Do you mean RF unit transmitter and RF unit receiver?
 
Thanks
Felix - 
					
					
					
					
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