My main question would be: can a 433mhz receiver use signals from any 433mhz transmitter?
No.
Different transmitters operate at slightly different frequencies, different modulation types (spread spectrum, fm, fsk etc) and protocols.
My main question would be: can a 433mhz receiver use signals from any 433mhz transmitter?
No.
Different transmitters operate at slightly different frequencies, different modulation types (spread spectrum, fm, fsk etc) and protocols.