Zach: I use this hand mic for my PTT networks. It's solid but the PTT signal logic is not what most software expects and cuts down android compatibility unless programmed around.
MrRoboto: I was under the impression that these only work with Retevis radios. Is this not the case? I'd love to be able to use my handmic with other things. I attempted to use mine for Zello with no luck.
Zach: Retevis advertises these HN001 (May be the wrong number) as being 'universal' but the problem is that the key events it sends are very non standard. Zello 'kind of' supports them but treats the two codes it sends on push down and let off each as a ptt press. 'Media Juggle' events have been phased out of most BT event libraries for most apps. The Retevis radios handle them perfectly (with the exception of their newest HT but it's OK). I had to pretty much write an Android service that disregards the let off event. The problem is it juggles the two codes (FF, RW) randomly so my service counts every press from the start of the app to determine press downs and let ups. My app has a 90% accuracy and I've only had a few fake key downs. I will post more in depth somewhere, it's all part of a much bigger software project for my company.
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