hello everyone,
in car ,the security system ( central locking ) is only a rf remote or else other.
means ,it have 8 address bits , first it check then it open the gate or it send any data ( secret data ) to receiver through rf remote.
my question is: that tx side send only on/off condition bits for door ( at rx side ).
or send any secret data (encrypted data) to rx side.?
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what i know there in rf remote there are 8 address bits that shud match with rx side also thenit can send bits to rx.
then this tx first match address bits then it sends any private message or encrypted datta or noramlly send 0 or 1 for rx.
please make clear my loose concepts for this technology.