Re: Key FOB, Assume has Active RF ID

From	Mike Coon <gravity@mjcoon.plus.com>
Newsgroups	sci.electronics.misc
Subject	Re: Key FOB, Assume has Active RF ID
Date	2021-11-03 20:59 +0000
Message-ID	<MPG.3bed089ed19416ae118@news.plus.net> (permalink)
References	<ofbqng99m26hbv79ubqhj1a1q7gs4gp2cq@4ax.com> <498222c6-f004-4be3-a1df-27a8777bfec1n@googlegroups.com>
Organization	Minimal

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In article <498222c6-f004-4be3-a1df-27a8777bfec1n@googlegroups.com>, 
terrell.michael.a@gmail.com says...
> 
> On Saturday, October 30, 2021 at 7:50:07 AM UTC-4, jaugu...@verizon.net wrote:
> > Hi, 
> > 
> > I have a 2017 Jeep Grand Cherokee. 
> > 
> > To open the car door (locked), I simply grab the handle 
> > and the door unlocks then opens with the Key FOB in my 
> > pocket. 
> > 
> > The Key FOB has buttons that include Unlock. If I press this button, 
> > the Key FOB would transmit a coded signal in UHF band to the Jeep. 
> > 
> > I assume because I am NOT pressing any buttons, my Jeep transmits a signal 
> > (perhaps in short bursts) and my Key FOB responds by indicating it's presence? 
> > 
> > Can someone clarify this? 
> 
> What does the owner's manual say? I just had to replace the keypad for my 2016 Grand Caravan because it was acting weird. The first thing that it did was to start opening the right side sliding door, without touching the fobik. 
> The metal disks inside had started to become detached. I found just the replacement keypad, but for some you have to buy the entire case to get the keypad. They are usually under $10.

I believe my Vauxhall (~2003) has a RFID. If the car is opened with the 
key-in-lock that does not disarm the alarm. But starting the car with 
the key does so via RFID. But I'm afraid I cannot be bothered to verify 
with the manual!

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Key FOB,  Assume has Active RF ID jaugustine@verizon.net - 2021-10-30 07:49 -0400
  Re: Key FOB, Assume has Active RF ID Michael Terrell <terrell.michael.a@gmail.com> - 2021-11-03 10:47 -0700
    Re: Key FOB, Assume has Active RF ID Mike Coon <gravity@mjcoon.plus.com> - 2021-11-03 20:59 +0000
      Re: Key FOB, Assume has Active RF ID Michael Terrell <terrell.michael.a@gmail.com> - 2021-11-06 13:56 -0700

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