<div dir="ltr">I have the QYT - KT8900 (no "D" designation - this one: <a href="https://www.amazon.com/gp/product/B01LYIDJI3">https://www.amazon.com/gp/product/B01LYIDJI3</a>) and yes, in CHIRP under Other Settings those fields are greyed out for me. However, I was able to put in our local SAR frequency (155.415). And, I just turned my radio on and happened to have some SAR traffic. So, I can definitely receive on that frequency. I don't have any authorization to test a transmit, though. <div><br></div><div>Have you tried just programming it in and uploading it to the radio? I don't recall doing anything special to mine...oh, except for maybe doing a reset (menu #48) to start off with (be sure to get a backup image first in case I'm wrong).</div><div><br></div><div>-Tycen</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, May 6, 2017 at 6:27 AM, w4grj <span dir="ltr"><<a href="mailto:w4grj@satterfield.org" target="_blank">w4grj@satterfield.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Specs of the QYT 8900D has the upper band limit at 480Mhz.<br>
Suggest you follow Jim's suggestion and use the BTech radio.<br>
<br>
Jack<br>
W4GRJ<br>
<div><div class="h5"><br>
<br>
<br>
-----Original Message-----<br>
From: <a href="mailto:chirp_users-bounces@intrepid.danplanet.com">chirp_users-bounces@intrepid.<wbr>danplanet.com</a><br>
[mailto:<a href="mailto:chirp_users-bounces@intrepid.danplanet.com">chirp_users-bounces@<wbr>intrepid.danplanet.com</a>] On Behalf Of Jim Unroe<br>
Sent: Saturday, May 06, 2017 8:59 AM<br>
To: Discussion of CHIRP<br>
Subject: Re: [chirp_users] CHIRP VHF / UHF band "low / high" band limits ?<br>
<br>
On Sat, May 6, 2017 at 8:43 AM, Amnon Zohar <<a href="mailto:amnon.zohar@gmail.com">amnon.zohar@gmail.com</a>> wrote:<br>
> jim<br>
> you did not answer john's question!<br>
> he does not even know if it is possible to change the high limit....<br>
><br>
> 2017-05-06 13:51 GMT+03:00 Jim Unroe <<a href="mailto:rock.unroe@gmail.com">rock.unroe@gmail.com</a>>:<br>
>><br>
>> On Sat, May 6, 2017 at 5:20 AM, Constable John Vith<br>
>> <<a href="mailto:info@stateconstable.org">info@stateconstable.org</a>> wrote:<br>
>> > We are a state law enforcement office using CHIRP to program "QYT -<br>
>> > KT<br>
>> > 8900 D" units for use in our prisoner transport and patrol<br>
>> > vehicles. Our area (Greater Pittsburgh, PA) is one of the few areas<br>
>> > nationwide where due<br>
>> > to congestion the "T-Band" UHF (480 - 520 Mhz) is in use. Under the<br>
>> > "Settings - Other Setting" tabs on CHIRP the band limits are<br>
>> > "grayed out", preset to 136 - 174 Mhz VHF and 400 - 480 Mhz UHF.<br>
>> > How can we change the "high" (upper) band limit for UHF from 480<br>
>> > Mhz to 520 Mhz ?<br>
<br>
I do not even know if it is possible to change the upper limit. The radio's<br>
internal filters may preclude it even if the desired frequency can be<br>
entered. And if it isn't, he can consider getting a BTech radio which can,<br>
and CHIRP will program, out-of-the-box.<br>
<br>
Jim<br>
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