[App_rpt-users] Need help connecting a Baofeng UV-5R with DMK URI-x

Shamim Shahriar shamim.shahriar at gmail.com
Tue Nov 3 08:43:41 EST 2015

Hello all

Further to my previous email, i have come across this link


This one is using a UV-6R, but i am assuming that the pinout for speaker
mic is the same.

Would appreciate if someone could please confirm.

Thanks and regards
On 3 Nov 2015 13:37, "Steven Donegan" <donegan at donegan.org> wrote:

> I am also looking to connect a UV-5R to the URI-X but using ONLY the
> speaker/mike jack and usbradio with DSP detection of audio - the radio will
> do the CTCSS handling and should only provide audio when CTCSS is met.
> Thanks!
> Steven Donegan
> KK6IVC General Class FCC License
> Silver State Car #86
> www.sscc.us
> ------------------------------
> *From:* Shamim Shahriar <shamim.shahriar at gmail.com>
> *To:* app_rpt-users at ohnosec.org
> *Sent:* Monday, November 2, 2015 4:45 PM
> *Subject:* [App_rpt-users] Need help connecting a Baofeng UV-5R with DMK
> URI-x
> Dear List members
> Good morning. I need a bit of help in connecting a Baofeng UV-5R with
> DMK URIx device. I have googled as much as I practically could, but
> still could not decide/confirm as to what should be the approach.
> First of all, I came across the pin-out for the baofeng at Miklor site
> http://www.miklor.com/COM/UV_Technical.php
> I have also seen how DMK suggests any generic radio should be connected
> at http://www.dmkeng.com/images/9080-FRS.pdf
> And finally, I have found the site that shows how to get the COR out of
> baofeng http://alaskareflector.org/zl1nc/UV-COS.html
> Now, my expertise in electronics is sub-zero -- I know some very basics
> about what component does what, and that's all. So, I have several
> questions, and would appreciate if someone with sufficient relevant
> experience could please point me to the correct decision.
> 1. the URI diagram uses several resistors, do I really need them? Or
> should I just connect things direct?
> 2. the main URI diagram shows pin 7 as CTCSS_det and pin 8 as COR_det,
> so should I connect the COR from baofeng to pin 8?
> 3. based on what I can understand from all the links above, I should
> connect
> large stereo body -> D-Sub pin 1
> large stereo ring -> D-Sub pin 22
> small stereo tip -> D-Sub pin 21
> COR (taken from pin 2 of the IC) -> D-Sub pin 8
> Is the above correct? Or do you have different experience?
> Thanks for your response.
> Regards
> Shamim
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