I'm working on an RF transmitter and receiver project using the cheap 433mHz transmitters and receivers and RcSwitch library. Currently, the receiver works at upto 7 metres with a masonry wall obstruction. But beyond the 7 metres, it looses communication. Please can someone advice me on which transm…

RF transmitter range

JVT May 3, 2018, 11:00am 7

It sends "112" every 5 secs. Apologies for my rusty sketch.

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