[App_rpt-users] CM108 fobs with potted chips.

Doug Crompton doug at crompton.com
Mon Jul 27 20:46:47 UTC 2015


Great. As cheap as they are you should by 10 or more and make them available to others where you are.
73 Doug
WA3DSP
http://www.crompton.com/hamradio


Date: Mon, 27 Jul 2015 21:45:08 +0300
Subject: Re: [App_rpt-users] CM108 fobs with potted chips.
From: geoffreymendelson at gmail.com
To: doug at crompton.com
CC: app_rpt-users at ohnosec.org

Thanks everyone. After I wrote this a friend stopped by and said she was spending August in the US. She would be willing to bring back small things if I wanted them. So I'll get a few and have them sent to her.
Thanks and 73,
On Mon, Jul 27, 2015 at 4:32 PM, Doug Crompton <doug at crompton.com> wrote:



Here is a link to a simple mod.  It has the same link to the FOB that Dave mentioned. These definitely are NOT potted. There is quantity pricing that brings the price down to about $2.40 shipped in quantities of 10. Perhaps someone could mail you a couple if you cannot buy where you are?

http://crompton.com/hamradio/usb_fob_simple_modification/

73 Doug
WA3DSP
http://www.crompton.com/hamradio


From: geoffreymendelson at gmail.com
Date: Mon, 27 Jul 2015 07:34:18 +0000
To: kb4fxc at inttek.net; app_rpt-users at ohnosec.org
Subject: Re: [App_rpt-users] CM108 fobs with potted chips.

Thanks. That looks exactly like the ones I have. The seller won't ship to me, I am not in the US. Is there a way to tell without buying them? TIA.

Geoff

On Mon, Jul 27, 2015, 10:14 David McGough <kb4fxc at inttek.net> wrote:


Hi Geoff,



No, those connections won't get you what's needed, unfortunately.

Non-potted CM108's are inexpensively available, however. Here is the one

example that I'm using: http://www.ebay.com/itm/291156304476



73, David KB4FXC





On Mon, 27 Jul 2015, Geoffrey Mendelson wrote:



> I have a CM108 fob with a potted chip. It does have 2 LEDS and 2 pushbutton

> switches on it. Is it possible to connect the COR lead to one of the

> pushbutton switches and get PTT from one of the LEDS?

>

> The LEDS are green and red. If I remember correctly the green LED flashes

> to ID the fob.

>

> TIA,

>

> Geoff.

>

>



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