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USB to Serial Ports adapter: a product test

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Doug Person-3

USB to Serial Ports adapter: a product test

Personally, I have had some aggravation with USB to serial port
converters so I thought I would pass along my experience with a good
product.

I always need more than even a couple of serial ports so I don't have to
go through routines of unplugging and plugging cables. So I picked up a
GearMo Quad Port (FTDI) USB to Serial adapter (amazon.com US$48.29).
This a USB cable that's 24" long to a junction and from there - there
are 4 36" cables that are long enough to reach their targets. I plugged
it to each machine and Windows Update found the drivers, the Macs found
the drivers and linux had the drivers as well. All was working perfectly
in every machine in a matter of minutes.

This is great. I can swap to any OS on any computer and I don't need 4
seperate serial cables going to various built-in and USB serial ports.
Works on everything. I USB port tied up and everything is connected.
The FTDI Chipset is clearly the best. Tested on Windows 7 64 bit and 32
bit, Windows 8.1 64 bit, Linux (Ubuntu 1310) 32/64 and Mac OSX for two
most latest versions (Mavericks and whatever the last cat was).

The /real/ Prolific chipsets actually do work OK. The real problem has
been that most cheap adapters that claim to be Prolific are actually
knockoffs of an old design that won't work with Prolific's official
drivers on 64 bit machines. Early Elecraft cables were Prolific. Newer
ones are all FTDI.

73, Doug -- K0DXV
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Don Wilhelm-4

Re: USB to Serial Ports adapter: a product test

Hi all,

I have had an experience with the Chinese "fake" Prolific USB to serial
chips. A Wouxun VHF/UHF handeld would not work with my Win7 computer
because the Prolific drivers identified the chip as a fake Chinese
knockoff. I tried the solutions in the web as well as the older
Prolific drivers with no great success. I even tried the Linux
solutions and was not able to program the handheld (I am not a Linux
guru, but I followed the instructions). Simply, it did not work, and I
am not willing to keep a Windows XP computer going just for these
Chinese fake chips. I bought the programming cable in good faith, but
that faith has been destroyed by the Chinese fake chips.

I ordered a serial to Kenwood programming cable from Powerworks and I
should be able to program it with either a real serial port or a good
USB to serial adapter. That should solve my problem. There is nothing
wrong with good old RS232 serial ports, they are a constant among the
USB 'alternatives'.

Yes, the Win7 and Win8 drivers for both Prolific and FTDI chips will
detect these counterfeit chips and will not successfully load the
drivers. I found out the hard way.

73,
Don W3FPR

On 3/27/2014 8:27 PM, Doug Person wrote:
> Personally, I have had some aggravation with USB to serial port
> converters so I thought I would pass along my experience with a good
> product.
>

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WA7SPY

Re: USB to Serial Ports adapter: a product test

Here is a very good explanation about USB to serial port converters. ( see below) You pay a higher price but the recommended one works with my Windows 7 PC. I have had no problems connecting older RS232 equipment to my Windows 7 PC. It works like a champ.
I have no interest in the US Converters but there products work well!
http://www.usconverters.com/index.php?main_page=page&id=62

> On Mar 27, 2014, at 8:57 PM, Don Wilhelm <[hidden email]> wrote:
>
> Hi all,
>
> I have had an experience with the Chinese "fake" Prolific USB to serial chips. A Wouxun VHF/UHF handeld would not work with my Win7 computer because the Prolific drivers identified the chip as a fake Chinese knockoff. I tried the solutions in the web as well as the older Prolific drivers with no great success. I even tried the Linux solutions and was not able to program the handheld (I am not a Linux guru, but I followed the instructions). Simply, it did not work, and I am not willing to keep a Windows XP computer going just for these Chinese fake chips. I bought the programming cable in good faith, but that faith has been destroyed by the Chinese fake chips.
>
> I ordered a serial to Kenwood programming cable from Powerworks and I should be able to program it with either a real serial port or a good USB to serial adapter. That should solve my problem. There is nothing wrong with good old RS232 serial ports, they are a constant among the USB 'alternatives'.
>
> Yes, the Win7 and Win8 drivers for both Prolific and FTDI chips will detect these counterfeit chips and will not successfully load the drivers. I found out the hard way.
>
> 73,
> Don W3FPR
>
>> On 3/27/2014 8:27 PM, Doug Person wrote:
>> Personally, I have had some aggravation with USB to serial port converters so I thought I would pass along my experience with a good product.
>
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Don Wilhelm-4

Re: USB to Serial Ports adapter: a product test

That "explanation" dances all around the real world situation. The
Chinese have been making cheap counterfeit Prolific and FTDI chips. Both
Prolific and FTDI have produced drivers which detect those counterfeit
chips to protect their intellectual property.
While the counterfeit chips may work fine when used under Windows XP,
they will not work with the newer Windows 7 or 8 drivers.

Yes, there are "workarounds" - turn off Windows updates and load the
older drivers which do not have the detection algorithms. I would
prefer not to do that, and I have been burned several times with the
Chinese counterfeit transistors and ICs. I ordered what was supposed to
be 2N5739 transistors which are no longer available from reliable
manufacturers. I had to throw all 10 of them into the trash because
they did not work above the audio range. The SSM2165 used on the K2
KSB2 board is an obsolete part, but is advertized from Chinese vendors -
unfortunately, that chip does not work, so it is "buyer beware". If you
buy counterfeit goods, it is just like getting a counterfeit $100 bill,
it is worthless. Unfortunately, there are vendors who are listing
'workarounds' in order to sell their counterfeit products rather than
'raising hell' to stop this proliferation of counterfeit devices.

I cut the USB end off the USB to Wouxun adapter that had the counterfeit
chip in it and will be connecting it to a DB9 connector. I can then
connect it to either a real serial port or to a good USB to serial adapter.

73,
Don W3FPR

On 3/28/2014 1:11 AM, WA7SPY wrote:

> Here is a very good explanation about USB to serial port converters. ( see below) You pay a higher price but the recommended one works with my Windows 7 PC. I have had no problems connecting older RS232 equipment to my Windows 7 PC. It works like a champ.
> I have no interest in the US Converters but there products work well!
> http://www.usconverters.com/index.php?main_page=page&id=62
>
>
>
>> On Mar 27, 2014, at 8:57 PM, Don Wilhelm <[hidden email]> wrote:
>>
>> Hi all,
>>
>> I have had an experience with the Chinese "fake" Prolific USB to serial chips. A Wouxun VHF/UHF handeld would not work with my Win7 computer because the Prolific drivers identified the chip as a fake Chinese knockoff. I tried the solutions in the web as well as the older Prolific drivers with no great success. I even tried the Linux solutions and was not able to program the handheld (I am not a Linux guru, but I followed the instructions). Simply, it did not work, and I am not willing to keep a Windows XP computer going just for these Chinese fake chips. I bought the programming cable in good faith, but that faith has been destroyed by the Chinese fake chips.
>>
>>

Kenneth Christiansen

Re: USB to Serial Ports adapter: a product test

Hi Don and the group

Could you give us the information on which wires of the Wouxun cable go to which pins on the DB9 connector so I can use the USB adaptor for my K3 to program my hand held. I have only 3 computers all using Windows 8.1 and so far a work around but haven't used it for a month so don't know if it is working today or next time I need it. Please respond here on the reflector as I know other people need this information just as I have for almost 2 years. If possible it would be nice to use the KX3 USB adaptor also.

Thank you and I know your answer will be appreciated.

73

Ken W0CZ w0cz at i29 dot net

Sent from my iPad

> On Mar 28, 2014, at 1:56 AM, Don Wilhelm <[hidden email]> wrote:
>
> That "explanation" dances all around the real world situation. The Chinese have been making cheap counterfeit Prolific and FTDI chips. Both Prolific and FTDI have produced drivers which detect those counterfeit chips to protect their intellectual property.
> While the counterfeit chips may work fine when used under Windows XP, they will not work with the newer Windows 7 or 8 drivers.
>
> Yes, there are "workarounds" - turn off Windows updates and load the older drivers which do not have the detection algorithms. I would prefer not to do that, and I have been burned several times with the Chinese counterfeit transistors and ICs. I ordered what was supposed to be 2N5739 transistors which are no longer available from reliable manufacturers. I had to throw all 10 of them into the trash because they did not work above the audio range. The SSM2165 used on the K2 KSB2 board is an obsolete part, but is advertized from Chinese vendors - unfortunately, that chip does not work, so it is "buyer beware". If you buy counterfeit goods, it is just like getting a counterfeit $100 bill, it is worthless. Unfortunately, there are vendors who are listing 'workarounds' in order to sell their counterfeit products rather than 'raising hell' to stop this proliferation of counterfeit devices.
>
> I cut the USB end off the USB to Wouxun adapter that had the counterfeit chip in it and will be connecting it to a DB9 connector. I can then connect it to either a real serial port or to a good USB to serial adapter.
>
> 73,
> Don W3FPR
>
>> On 3/28/2014 1:11 AM, WA7SPY wrote:
>> Here is a very good explanation about USB to serial port converters. ( see below) You pay a higher price but the recommended one works with my Windows 7 PC. I have had no problems connecting older RS232 equipment to my Windows 7 PC. It works like a champ.
>> I have no interest in the US Converters but there products work well!
>> http://www.usconverters.com/index.php?main_page=page&id=62
>>
>>
>>
>>> On Mar 27, 2014, at 8:57 PM, Don Wilhelm <[hidden email]> wrote:
>>>
>>> Hi all,
>>>
>>> I have had an experience with the Chinese "fake" Prolific USB to serial chips. A Wouxun VHF/UHF handeld would not work with my Win7 computer because the Prolific drivers identified the chip as a fake Chinese knockoff. I tried the solutions in the web as well as the older Prolific drivers with no great success. I even tried the Linux solutions and was not able to program the handheld (I am not a Linux guru, but I followed the instructions). Simply, it did not work, and I am not willing to keep a Windows XP computer going just for these Chinese fake chips. I bought the programming cable in good faith, but that faith has been destroyed by the Chinese fake chips.
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
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Don Wilhelm-4

Re: USB to Serial Ports adapter: a product test

Ken,

I believe the radio will not take direct RS-232 input, but it needs TTL
levels derived from the RS-232 signals. I ordered a serial port
programming cable from Powerwerks and when it arrives, I can tell you
the relationship. In the meantime, I cut the USB end off the existing
cable and trashed the USB end.
Be careful what you buy since Prolific and FTDI have both updated their
drivers to detect the counterfeit chips.

73,
Don W3FPR

On 3/28/2014 9:19 AM, Kenneth A Christiansen wrote:
> Hi Don and the group
>
> Could you give us the information on which wires of the Wouxun cable go to which pins on the DB9 connector so I can use the USB adaptor for my K3 to program my hand held. I have only 3 computers all using Windows 8.1 and so far a work around but haven't used it for a month so don't know if it is working today or next time I need it. Please respond here on the reflector as I know other people need this information just as I have for almost 2 years. If possible it would be nice to use the KX3 USB adaptor also.
>
>

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Doug Person-3

Re: USB to Serial Ports adapter: a product test

In reply to this post by Don Wilhelm-4

I did the exact same thing for Baofeng radios. I just converted the
programming cable to a serial cable. The counterfeit chips are a
/serious/ problem. You will be hard-pressed to find a new computer with
"real" serial ports in them. So, Serial to USB conversion is an ongoing
necessity.

Doug -- K0DXV

On 3/28/2014 12:56 AM, Don Wilhelm wrote:

> That "explanation" dances all around the real world situation. The
> Chinese have been making cheap counterfeit Prolific and FTDI chips.
> Both Prolific and FTDI have produced drivers which detect those
> counterfeit chips to protect their intellectual property.
> While the counterfeit chips may work fine when used under Windows XP,
> they will not work with the newer Windows 7 or 8 drivers.
>
> Yes, there are "workarounds" - turn off Windows updates and load the
> older drivers which do not have the detection algorithms. I would
> prefer not to do that, and I have been burned several times with the
> Chinese counterfeit transistors and ICs. I ordered what was supposed
> to be 2N5739 transistors which are no longer available from reliable
> manufacturers. I had to throw all 10 of them into the trash because
> they did not work above the audio range. The SSM2165 used on the K2
> KSB2 board is an obsolete part, but is advertized from Chinese vendors
> - unfortunately, that chip does not work, so it is "buyer beware". If
> you buy counterfeit goods, it is just like getting a counterfeit $100
> bill, it is worthless. Unfortunately, there are vendors who are
> listing 'workarounds' in order to sell their counterfeit products
> rather than 'raising hell' to stop this proliferation of counterfeit
> devices.
>
> I cut the USB end off the USB to Wouxun adapter that had the
> counterfeit chip in it and will be connecting it to a DB9 connector.
> I can then connect it to either a real serial port or to a good USB to
> serial adapter.
>
> 73,
> Don W3FPR
>
> On 3/28/2014 1:11 AM, WA7SPY wrote:
>> Here is a very good explanation about USB to serial port converters.
>> ( see below) You pay a higher price but the recommended one works
>> with my Windows 7 PC. I have had no problems connecting older RS232
>> equipment to my Windows 7 PC. It works like a champ.
>> I have no interest in the US Converters but there products work well!
>> http://www.usconverters.com/index.php?main_page=page&id=62
>>
>>
>>
>>> On Mar 27, 2014, at 8:57 PM, Don Wilhelm <[hidden email]> wrote:
>>>
>>> Hi all,
>>>
>>> I have had an experience with the Chinese "fake" Prolific USB to
>>> serial chips. A Wouxun VHF/UHF handeld would not work with my Win7
>>> computer because the Prolific drivers identified the chip as a fake
>>> Chinese knockoff. I tried the solutions in the web as well as the
>>> older Prolific drivers with no great success. I even tried the
>>> Linux solutions and was not able to program the handheld (I am not a
>>> Linux guru, but I followed the instructions). Simply, it did not
>>> work, and I am not willing to keep a Windows XP computer going just
>>> for these Chinese fake chips. I bought the programming cable in
>>> good faith, but that faith has been destroyed by the Chinese fake
>>> chips.
>>>
>>>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]
>

Doug Person-3

Re: USB to Serial Ports adapter: a product test

In reply to this post by Kenneth Christiansen

The Baofeng, Wouxun and Kenwood radios use the same pin-outs. There are
two plugs on the programming cable: a 2.5mm 3 conductor and a 3.5 3
conductor.
The "shield" or inward-most contact on the 3.5mm plug is "rx" data and
the "ring" on the 2.5mm is the "tx" data. Ground is the "shield" or
inward-most contact on the 2.5mm plug. I cut the USB connector off of
the Baofeng programming cable (which has a counterfeit Prolific chip
that won't work on anything past X86 Windows XP) and wired it to an
in-line 3.5mm 3-conductor (Stereo) socket that works with the Elecraft
programming cable that comes with the KX3. To program the set of
Baofeng 888s handhelds I use for my GMRS license for event management, I
can just unplug the cable from my KX3 and plug it in to the modified
programming cable. Works perfectly.

73, Doug -- K0DXV

On 3/28/2014 7:19 AM, Kenneth A Christiansen wrote:

> Hi Don and the group
>
> Could you give us the information on which wires of the Wouxun cable go to which pins on the DB9 connector so I can use the USB adaptor for my K3 to program my hand held. I have only 3 computers all using Windows 8.1 and so far a work around but haven't used it for a month so don't know if it is working today or next time I need it. Please respond here on the reflector as I know other people need this information just as I have for almost 2 years. If possible it would be nice to use the KX3 USB adaptor also.
>
> Thank you and I know your answer will be appreciated.
>
> 73
>
> Ken W0CZ w0cz at i29 dot net
>
> Sent from my iPad
>
>> On Mar 28, 2014, at 1:56 AM, Don Wilhelm <[hidden email]> wrote:
>>
>> That "explanation" dances all around the real world situation. The Chinese have been making cheap counterfeit Prolific and FTDI chips. Both Prolific and FTDI have produced drivers which detect those counterfeit chips to protect their intellectual property.
>> While the counterfeit chips may work fine when used under Windows XP, they will not work with the newer Windows 7 or 8 drivers.
>>
>> Yes, there are "workarounds" - turn off Windows updates and load the older drivers which do not have the detection algorithms. I would prefer not to do that, and I have been burned several times with the Chinese counterfeit transistors and ICs. I ordered what was supposed to be 2N5739 transistors which are no longer available from reliable manufacturers. I had to throw all 10 of them into the trash because they did not work above the audio range. The SSM2165 used on the K2 KSB2 board is an obsolete part, but is advertized from Chinese vendors - unfortunately, that chip does not work, so it is "buyer beware". If you buy counterfeit goods, it is just like getting a counterfeit $100 bill, it is worthless. Unfortunately, there are vendors who are listing 'workarounds' in order to sell their counterfeit products rather than 'raising hell' to stop this proliferation of counterfeit devices.
>>
>> I cut the USB end off the USB to Wouxun adapter that had the counterfeit chip in it and will be connecting it to a DB9 connector. I can then connect it to either a real serial port or to a good USB to serial adapter.
>>
>> 73,
>> Don W3FPR
>>
>>> On 3/28/2014 1:11 AM, WA7SPY wrote:
>>> Here is a very good explanation about USB to serial port converters. ( see below) You pay a higher price but the recommended one works with my Windows 7 PC. I have had no problems connecting older RS232 equipment to my Windows 7 PC. It works like a champ.
>>> I have no interest in the US Converters but there products work well!
>>> http://www.usconverters.com/index.php?main_page=page&id=62
>>>
>>>
>>>
>>>> On Mar 27, 2014, at 8:57 PM, Don Wilhelm <[hidden email]> wrote:
>>>>
>>>> Hi all,
>>>>
>>>> I have had an experience with the Chinese "fake" Prolific USB to serial chips. A Wouxun VHF/UHF handeld would not work with my Win7 computer because the Prolific drivers identified the chip as a fake Chinese knockoff. I tried the solutions in the web as well as the older Prolific drivers with no great success. I even tried the Linux solutions and was not able to program the handheld (I am not a Linux guru, but I followed the instructions). Simply, it did not work, and I am not willing to keep a Windows XP computer going just for these Chinese fake chips. I bought the programming cable in good faith, but that faith has been destroyed by the Chinese fake chips.
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[hidden email]
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to [hidden email]
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]
>

Don Wilhelm-4

Re: USB to Serial Ports adapter: a product test

In reply to this post by Kenneth Christiansen

I just received the WXUSB cable from PowerWerx. I confirmed that there
is some electronics between pins 2 and 3 of the RS-232 connector and the
plugs.
The easy answer is to just order the serial cable and use whatever USB
to Serial adapter you may have that works.

Thanks Eric for tolerating this OT subject.

73,
Don W3FPR

On 3/28/2014 9:19 AM, Kenneth A Christiansen wrote:
> Hi Don and the group
>
> Could you give us the information on which wires of the Wouxun cable go to which pins on the DB9 connector so I can use the USB adaptor for my K3 to program my hand held. I have only 3 computers all using Windows 8.1 and so far a work around but haven't used it for a month so don't know if it is working today or next time I need it. Please respond here on the reflector as I know other people need this information just as I have for almost 2 years. If possible it would be nice to use the KX3 USB adaptor also.
>
> Thank you and I know your answer will be appreciated.
>
>

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Re: USB to Serial Ports adapter: a product test

In reply to this post by Doug Person-3

Do you have a sure fire way to detect the counterfeit ships before buying, including buying brand name at additional cost. What brand or supplier is safe?

Willis 'Cookie' Cooke, TDXS DX Chairman
K5EWJ & Trustee N5BPS, USS Cavalla, USS Stewart

________________________________
From: Doug Person <[hidden email]>
To: [hidden email]
Sent: Friday, March 28, 2014 12:38 PM
Subject: Re: [Elecraft] USB to Serial Ports adapter: a product test

I did the exact same thing for Baofeng radios. I just converted the
programming cable to a serial cable. The counterfeit chips are a
/serious/ problem. You will be hard-pressed to find a new computer with
"real" serial ports in them. So, Serial to USB conversion is an ongoing
necessity.

Doug -- K0DXV

On 3/28/2014 12:56 AM, Don Wilhelm wrote:

>

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Phil Kane-2

Re: USB to Serial Ports adapter: a product test

On 3/28/2014 12:54 PM, WILLIS COOKE wrote:
> Do you have a sure fire way to detect the counterfeit ships before
> buying, including buying brand name at additional cost. What brand
> or supplier is safe?

I can't speak for others, but the IoGear GUC232 (dongle), Edgeport-8
(stand-alone), and Quatech 100 (PCI card) all work with my Win 7 x32 and
x64 Dell computers.
-- --
73 de K2ASP - Phil Kane
Elecraft K2/100 s/n 5402

From a Clearing in the Silicon Forest
Beaverton (Washington County) Oregon
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Kevin Stover

Re: USB to Serial Ports adapter: a product test

In reply to this post by Cookie

Nope, that's the point.
Until you try to install in Win7 or higher you won't know.
The drivers from Prolific and FTDI won't work with a counterfeit chip.

On 3/28/2014 2:54 PM, WILLIS COOKE wrote:
> Do you have a sure fire way to detect the counterfeit ships before buying, including buying brand name at additional cost. What brand or supplier is safe?
>
>

--
R. Kevin Stover
AC0H
ARRL
FISTS #11993
SKCC #215
NAQCC #3441

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Kenneth Christiansen

Re: USB to Serial Ports adapter: a product test

In reply to this post by Don Wilhelm-4

Hi Don and the group

Thank you Don for the information on the PowerWerx cable. I did not know it existed and am sure a year ago when I bought a new USB cable form my Wouxun that they did not have it. The new USB cable did not work just as the original did not work. Thanks again for the updated information.

73

Ken W0CZ w0cz at i29 dot net

Sent from my iPad

> On Mar 28, 2014, at 12:59 PM, Don Wilhelm <[hidden email]> wrote:
>
> I just received the WXUSB cable from PowerWerx. I confirmed that there is some electronics between pins 2 and 3 of the RS-232 connector and the plugs.
> The easy answer is to just order the serial cable and use whatever USB to Serial adapter you may have that works.
>
> Thanks Eric for tolerating this OT subject.
>
> 73,
> Don W3FPR
>
>> On 3/28/2014 9:19 AM, Kenneth A Christiansen wrote:
>> Hi Don and the group
>>
>> Could you give us the information on which wires of the Wouxun cable go to which pins on the DB9 connector so I can use the USB adaptor for my K3 to program my hand held. I have only 3 computers all using Windows 8.1 and so far a work around but haven't used it for a month so don't know if it is working today or next time I need it. Please respond here on the reflector as I know other people need this information just as I have for almost 2 years. If possible it would be nice to use the KX3 USB adaptor also.
>>
>> Thank you and I know your answer will be appreciated.
>
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