So I have a TBS mambo with I guess a tracer tx built in, and I haven’t bought a receiver yet, cause I don’t get one thing: can my tx (tracer) work with a crossfire nano rx or only tracer nano rx, because when I see complete drones, it never comes with a TBS tracer RX, so I should get a rx separately, or just choose the TBS CRSF RX with a complete drone?
You cannot bind your Tracer Micro TX module to the Crossfire Nano RX receivers. You need Tracer Nano RX receivers.
Crossfire works on 868/900Mhz and is better for long range
Tracer works on 2.4Ghz, and while still being able to be used long range (just not quite as long), the main highlight of this is super low latency.
Hope that helps 
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