[Dprglist] key fob query

Doug Emes dougemes at gmail.com
Mon May 24 11:44:10 PDT 2021

passive RFID keyfob components, in addition to the radio xmitter.
My wife's car has prox sensors in the door handle area as well as the

On Mon, May 24, 2021 at 1:26 PM David Anderson via DPRGlist
<dprglist at lists.dprg.org> wrote:
> My wife's new car won't let you accidentally lock the remote key fob in
> the car.
> So how does it know the key fob is in the car?
> And does that suggest the fob is transmitting constantly, rather than
> just when a button is pressed?
> Inquiring minds want to know.
> cheers!
> dpa
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