I have these 433MHZ Transmitter Module SYN115 ASK Wireless Module | eBay
I was able to transmit from upstairs room to a downstairs room in opposite corners of the house without any problem. Used a 12" wire as an antenna.
I have these 433MHZ Transmitter Module SYN115 ASK Wireless Module | eBay
I was able to transmit from upstairs room to a downstairs room in opposite corners of the house without any problem. Used a 12" wire as an antenna.