[Yaesu] Crossband repeating with Yaesu radios

[Dr. Gerald N. Johnson]

Speaker has volts and microphone input needs only millivolts. If the 
input audio stage survives the abuse the audio will be severely 
distorted. It would work better with two FT-857D using line in and line 
out connections and then the digital VOX keys from audio on the line in 
jack.

73, Jerry, K0CQ

On 5/28/2017 3:39 PM, John Geiger wrote:
> Kenwood has a few rigs that can be interfaced to one of their FM rigs
> through the 6 pin mini-DIN jacks on each radio to let them run in crossband
> repeat.  These rigs include the TS480, TS590, and I think the TS570.  The
> TS2000 can even do crossband repeat using both of its receivers, so an
> extra radio isn't even needed.
>
> Has anyone tried doing this with other brands of radios.  For example, take
> a Yaesu FT2000, turn up the squelch, and run a cord from the external
> speaker jack to the mic jack on a Yaesu FT857D, which has VOX turned on.
> When the squelch opens on the FT2000, it should key the 857 and transmit
> the audio from the FT2000.  Then do the opposite for the audio going the
> other direction-run a cord from the speaker jack on the FT857, with the
> squelch turned up, and tuned to 444.000, running to the mic jack on the
> FT2000, which has VOX turned on.  When you transmit on 444.000 with an HT,
> the 857 would pick it up, open the squelch, and send the audio to the
> FT2000 to be transmitted on 50.125, or whatever frequency you like.
>
> Has someone successfully done something like this?  Are there reasons why
> this wouldn't work as planned?  It looks good on paper, at least.
>
> 73 John AF5CC
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