[chirp_users] KT7900D/QB25 driver for macOS 10.13 (Mojave)?

Pat Anderson
Sun Jan 20 07:38:24 PST 2019

I ran CHIRP on a 2011  MacBook Pro on every version of OS X / Mac OS from
Lion through High Sierra.  The PL2303 driver on miklor.com worked fine with
my cheap $9 programming cable with the counterfeit Prolific chip set on all
the Mac OSes. You DO have to reboot your Mac after installing the driver.
Download the driver, double click on it and follow the prompts. Restart
your Mac and start CHIRP. Connect your radio powered off to you computer.
and then turn the radio on. Choose download from radio and choose the
driver with pl2303 in its name from the drop-down box you will also see the
Bluetooth driver, which you should ignore). The driver only exists while
the cable is plugged in, so the sequence of steps is important.

Scroll all the way down to the bottom of the page on miklor.com

Find this text and click on the link to download the driver.

*AC Driver for Prolific Cables        PL2303 USB to Serial Driver for Mac
OS XProlific Driver PL2303_v0.3.1
<http://www.miklor.com/COM/software/osx-pl2303-0.3.1-10.4-universal.dmg>     *

On Sun, Jan 20, 2019 at 1:06 AM Patty Winter via chirp_users <
chirp_users at intrepid.danplanet.com> wrote:

> I was recently given a Radioddity QB25, which is also a QYT KT7900D. It
> came with a programming cable. I got CHIRP up and running on my MacBook
> Air, and followed the steps to turn off the radio, connect the cable, and
> turn the radio back on. But there is no USB port in the ports list in
> CHIRP, and when I try the default Bluetooth port, I get a message that the
> radio is not in clone mode.
> I suspect a driver issue. I tried to search the archives of this mailing
> list and found some information about macOS drivers for various cables
> (including some built-in Apple drivers), but didn't see anything
> specifically about the cable that's supplied by Radioddity. Their website
> only has Windows driver software. (They say the cable itself works with
> Windows 7 without a driver but you need a driver for Windows 10.) I tried
> the generic driver linked from the CHIRP MacOS Tips page, but that didn't
> work. (Was I supposed to have restarted the MacBook? I only quit and
> relaunched CHIRP.)
> There are other macOS drivers listed on that page, but without knowing
> what kind of cable/chip Radioddity supplies, I don't know which driver to
> look for. Does anyone here happen to know what's in the QB25 cable and
> which driver works with it? I could try contacting Radioddity, but they
> appear to know nothing about Macs and might not give me sufficient
> information.
> Thanks/73,
> Patty N6BIS
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