Walkie-Talkie on a Goldwing comm circuit


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SilverDave
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Walkie-Talkie on a Goldwing comm circuit

Postby SilverDave » Sun Nov 16, 2014 4:09 pm



The GMRS radios ( Walkie talkie ) seem like an ideal way to communicate with another ( Non-wing) rider .... cheap, many, many channels, weather, fair range , readily available.... some even waterproof .

I don't really believe they have a 25 mile range, but many I've used at campsites have a fairly clear 5 mile range .

The non-wing rider would have to find some mounting system , and earphones/microphone for their end.

On a CB equipped wing setup, I can easily tap the earphone - out wire to the radio, and hence to my helmet earphone ...... the microphone tap is the problem .
Most GMRS radios have a mic-out plug ( often 2.5 mm instead of 3.5)

Has anyone ever tried this ? Is there an easy place where one could tap into the helmet mic line and get voice on a walkie talkie ?

( Perhaps back at the passenger/back seat comm line ?? )

Or would it be easier to convince my riding partner to get a their own hand-held CB , and just use the Honda panasonic CB comm system ??


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Re: Walkie-Talkie on a Goldwing comm circuit

Postby harvey01 » Sun Nov 16, 2014 7:26 pm

I had this same problem when my wife started riding her own bike. I solved it by going with the CB radio and installed a J&M handlebar unit on her Virago. A bunch of years later I moved it to her new VTX.

I do know that BikeMP3 makes a CB unit that fits the GL1800 that will allow for the easy addition of a GRMS radio. It all works through the Wing system and is supposed to be a direct fit.
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Re: Walkie-Talkie on a Goldwing comm circuit

Postby Wayne » Sun Nov 16, 2014 7:51 pm

This is a CB kit that might work for him http://www.sierra-mc.com/proddetail.asp ... BRA-IMCKIT

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Re: Walkie-Talkie on a Goldwing comm circuit

Postby WingAdmin » Mon Nov 17, 2014 9:09 am

Another problem with mounting the GMRS to a bike (other than the fact that it's illegal) is it expects a condenser microphone, and the wing uses an old-fashioned dynamic mic. You'd need a circuit to convert from one to the other.

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Re: Walkie-Talkie on a Goldwing comm circuit

Postby wing rider 2012 » Thu Nov 20, 2014 11:34 am

If the hand-held expects to see a condenser mic, then there should be a supply voltage on the mic jack, this voltage is fed up the same line as the audio hi. This means that you will have to replace you dynamic mic with a condenser mic, which will not present a problem as long as you are not using the the I-com or CB circuit on the bike. If your going to use the I-com and CB on the bike also then you have to provide a voltage to the condenser mic. It's a simple circuit involving a resistor and a capacitor.
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Re: Walkie-Talkie on a Goldwing comm circuit

Postby WingAdmin » Thu Nov 20, 2014 3:57 pm

wing rider 2012 wrote:If the hand-held expects to see a condenser mic, then there should be a supply voltage on the mic jack, this voltage is fed up the same line as the audio hi. This means that you will have to replace you dynamic mic with a condenser mic, which will not present a problem as long as you are not using the the I-com or CB circuit on the bike. If your going to use the I-com and CB on the bike also then you have to provide a voltage to the condenser mic. It's a simple circuit involving a resistor and a capacitor.


Correct. The hand-held, expecting a condenser mic, will be providing a bias voltage. It will also be expecting the miniscule output of a condenser (compared to a dynamic), so you'd need both a resistor and blocking capacitor in series with the feed to the radio.

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Re: Walkie-Talkie on a Goldwing comm circuit

Postby wing rider 2012 » Fri Nov 21, 2014 1:00 pm

I was running condenser mics on my helmets until I bought my new bike and installed a GL2Way CB. The condenser mics were causing a squeal in the transmit, had to switch them out to dynamics. When I ran the condenser mics I built a resistor/capacitor circuit that plugged in between the wiring harness and the pig tails for the helmet audio and powered them with a 9v battery. I really like the audio quality of the condenser mic over the dynamic.
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Re: Walkie-Talkie on a Goldwing comm circuit

Postby WingAdmin » Fri Nov 21, 2014 10:36 pm

wing rider 2012 wrote:I was running condenser mics on my helmets until I bought my new bike and installed a GL2Way CB. The condenser mics were causing a squeal in the transmit, had to switch them out to dynamics. When I ran the condenser mics I built a resistor/capacitor circuit that plugged in between the wiring harness and the pig tails for the helmet audio and powered them with a 9v battery. I really like the audio quality of the condenser mic over the dynamic.


There's no question the sound quality of condenser mics is far advanced beyond old-fashioned dynamics. As for the squeal, sounds like the impedance your circuit was providing was not what the GL2Way CB was expecting.

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Re: Walkie-Talkie on a Goldwing comm circuit

Postby ankgrays » Sat Nov 22, 2014 9:26 am

WingAdmin wrote:Another problem with mounting the GMRS to a bike (other than the fact that it's illegal) is it expects a condenser microphone, and the wing uses an old-fashioned dynamic mic. You'd need a circuit to convert from one to the other.




I guess I might have missed something (not unusual)....Why is it illegal?
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Re: Walkie-Talkie on a Goldwing comm circuit

Postby redial » Sat Nov 22, 2014 6:15 pm

Unlike some countries, the GMRS/UHF/FM type of personal communicators (CB type), are not allowed except in strictly controlled situations. Being mobile is one of them. The range is a lot less than the (North American) CB, and is the preferred way of operating in these 'enlightened' countries. With the limited range, you do not get as much of the idiots chatting away about all the colourful language that you can get on CB, but dont seem to be able to get away from it. With a GMRS radio, just wait five minutes, and they will be out of range, handy for traffic alerts as you dont have to work out if the caller is in WA, AZ, or NY, or just ahead/behind you.
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Re: Walkie-Talkie on a Goldwing comm circuit

Postby ankgrays » Sat Nov 22, 2014 10:59 pm

OK...I DID miss something...the OPs' location.

If I had seen or looked at that I could have answered my own question...too big of a hurry I suppose.

DUH! :oops:


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