Actually Doug, The chip in this FOB is a CM-109…
But it works just as well! The plus is that this FOB has the EEPROM
installed! I am not sure if there is any more experimenting going on with
the EEPROM…
I personally do not think the URI is the best way
to go… It works because it has the same chip “CM-108”.
I have successfully modified many a FOB with great success! It is just a
matter of how you decide to modify them… My method is a little more
involved, but very reliable… The only issue is Soldering to pin 13 (which
I made easier by using 30 Gauge wire). I do not even use the Diode (I use PL as
generated/decoded by the CM108/9) even though you could include it!. I mount
all components on an external PCB. I even mount the FOB to the PCB with some
solid wire thru the existing holes left when the sockets are removed. So
I do not consider the FOB mod as being cheap! I personally believe that
if you have the “know how” you can do the modification and save the
green backs for that awesome HF rig you want to add to your shack!
I am working on a device that will house several FOBs and use 1
USB cable… Issue is the USB Hub… I will get it in time!
That is what HAM Radio is all about… do and learn!
Have Fun everyone!
Roger W4RFJ
From: app_rpt-users-bounces@qrvc.com
[mailto:app_rpt-users-bounces@qrvc.com] On Behalf Of Doug Hutchison
Sent: Wednesday, September 08, 2010 11:31 AM
To: app_rpt-users@qrvc.com
Subject: Re: [App_rpt-users] Question
Yes URI will do the job but if you want a fob which is CM108
:-
http://www2.dealextreme.com/details.dx/sku.21812
$6.99 ea free shipping too.
Doug
On 08/09/2010 2:54 PM, Marshall Dias wrote:
I
agree the URI is no doubt the best route to go!
There is NO advantage to a CM108. Don't think for a min that being cheap is
acceptable in this situation.
On that note, I do have 4 genuine CM108 fobs, NIB that I will sell for $25 each
+ $5 shipping.
iHAB - Iowa High Altitude Balloon Project
614
North Court - Ottumwa, Iowa 52501
http://www.w0otm.com/iHAB - (641) 777-7046
From: "Mark
Cheavens" <mcheavens@usa.net>
Sent:
Wednesday, September 08, 2010 8:43 AM
To:
"Corey Dean N3FE" <n3fe@repeater.net>
Subject:
Re: [App_rpt-users] Question
Use a URI adapter from DMK.
No modifications needed.
http://www.qsl.net/kb9mwr/projects/voip/USB-FOB.pdf
Mark Cheavens
KC5EVE
At 08:08 AM 9/8/2010, Corey Dean N3FE wrote:
Content-class: urn:content-classes:message
Content-Type: multipart/alternative;
boundary="----_=_NextPart_001_01CB4F56.DBBFA3E4"
I have been having a heck of a time trying to find a fob with a cm108 chip in
it. I have 5 fobs here all from different suppliers and none of them have
the right chip even though they were listed as a cm108.
I had seen a alsaradio channel driver and tried that but it errors our asterisk
with a 127 error. Is there anything out there so that we can use
serial/soundcard interfacing instead of a fob or the expensive quad card?
Corey N3FE
--
This message has been checked and is believed to be clean.
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