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

Pat Anderson
Sun Jan 20 10:33:43 PST 2019

The only other thing I can think of is that your cable might not be fully
plugged into your radio. I do not think your Mac is "seeing" your radio -
if you chose it from the drop-down boxes for Vendor and Model, CHIRP
remembers these settings. Until you see a driver in the Port drop down box
(other than Bluetooth etc.)  there is no way your Mac or CHIRP is "seeing"
the radio. I have not gone "down deep" in the Mac for about three years
(when I switched to Linux, which has a mutual admiration society with
CHIRP) but as I recall the Mac implements the driver through a .plist file,
and it has pl2302 in the name.This is probably getting a bit beyond the
normal expectations for user interaction on a Mac! Sorry can't be more

On Sun, Jan 20, 2019 at 11:08 AM Patty Winter via chirp_users <
chirp_users at intrepid.danplanet.com> wrote:

> Hi, Jim and Pat.
> Thank you for your replies.
> Jim, is it your impression that the cable supplied by Radioddity probably
> has one of those counterfeit Prolific chips in it? That sounds sleazy.
> Pat, I downloaded the Miklor driver you recommended and restarted the
> MacBook. Unfortunately, I'm still getting the "Radio did not enter clone
> mode" error. And I'm seeing no evidence that the MacBook is detecting the
> radio. There's still no USB or Serial option in the port list on CHIRP, and
> when I look at the /dev directory on the MacBook, there is no cu file that
> mentions USB or serial; just the Bluetooth and Wireless files that were
> already there.
> Oddly, when I go into System Profiler, I do see mention of a Prolific
> USB-Serial Controller. I can't figure that out since every other indication
> is that I don't have a USB-serial interface running. It was even still
> there after I disconnected the USB cable.
> Does the fact that CHIRP is seeing the radio but not able to download data
> from it mean that this is indeed a driver problem? Is it possible that
> there simply is no driver for Mojave that will work with the cable supplied
> by Radioddity? I had seen the same comment Jim mentioned about the
> difficulties of finding drivers that work with fake Prolific chips, so
> maybe I need to buy a known combination of cable and driver. But first I'll
> write to the Mac cable place that Jim recommended and see whether they
> think their driver will work in my case.
> Patty
> --------
> On Sunday, January 20, 2019, 4:43:07 AM PST, Jim Unroe <
> rock.unroe at gmail.com> wrote:
> Hi Patty,
> I am assuming that the programming cable you have was manufactured
> with and unauthorized copy of a Prolific USB-to-TTL chip. The device
> driver written and supplied by Prolific (the chip manufacturer) is
> designed to be incompatible with counterfeit copies of their chips.
> The simplest solution to get you going should be to get an FTDI chip
> based programming cable like the PC-04 from Baofeng Tech (the radio
> dealer in the USA). My understanding is that the native Apple FTDI
> device driver is recommended for FTDI chips. Baofeng Tech sells direct
> on their website and also via Amazon, so with an Amazon Prime
> membership you could have a PC-04 programming cable in 2 days.
> https://baofengtech.com/pc-04-programming-cable
> A possible solution to use the programming cable that you already have
> would be to purchase a device driver from a 3rd party. I have read
> where the device driver from the link below has been used successfully
> with programming cables manufactured with Prolific type chips. It
> costs EUR 7.90 (about $9.00) and you would be able to download it
> right after purchasing it. They do offer a money back guarantee if
> their support can't get you going.
> https://www.mac-usb-serial.com/
> Here is their page for OS X Serial Driver Installation
> https://www.mac-usb-serial.com/docs/support/installation.html
> Good luck,
> Jim KC9HI
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