Keith,

I've run usbradio on many Raspberry Pi 3's without issue.  The 3B+ works
fine with 2 nodes on usbradio, but I don't really recommend it.   I also
don't recommend a CM119B based radio adapter for usbradio deployments
for several reasons.

Kevin

On 5/5/2019 2:36 PM, Keith Williamson wrote:
> I'm wondering if this is a realistic configuration for a simplex node:
>
> RPi3 with DMK URI connected to the 9600 audio in and out signals of an
> Alinco DR-135T. I want to be able to use CTCSS so that random signals
> don't get bridged to connected nodes.
>
> My concern is that with the above configuration, the CTCSS decode in
> the radio is bypassed. Consequently, CTCSS decode needs to be done via
> usbradio since simpleusb does not have this capability. However, I
> keep hearing that usbradio is not handled well with an RPi and yields
> less than ideal audio quality.
>
> So all of the above implies that I either use a higher performance
> node PC or continue to use the RPi, switch to the 2400 audio in and
> out signals (so that the Alinco can handle the CTCSS) and use simpleusb.
>
> Opinions?
>
> Thanks,
>
> Keith
> KF7DRV

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