@Steven,
@Don,
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Thanks for your replies re. Vara FM over Bluetooth KISS TNC. I continue to build an audio interface (600 Ohm transformers, optocoupler for PTT), so I should be able to proceed with the Vara anyway,? This message has a second point of interest for me. You mentioned 2 models of the same handheld radio. Just today I returned mine (VR-N76) to the seller. Reason: the radio did? not "pair" over Bluetooth with my iPhone. It did pair with Android phones, but refused to work with my Apple phone. We checked my phone with other Bluetooth devices, we checked 3 boxes of N76, the results are straightforward: this radio model does not work with this telephone. Visible symptom: in iPhone Settings => Bluetooth the radio is randomly either ignored completely, or found with proper name and then not paired.
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Does any of you use the iPhone and can verify my findings? The radio manufacturer states somewhere in a very fine print, that due to closed architecture of iPhone some features may be available on Android only. The problem is, that without paired Bluetooth connection no features are available? (:-().
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Cheers, Marek SP5ISZ
Marek Kaminski