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Beta 85X featuring Lumenier micro AXII.
Beta 85X featuring Lumenier micro AXII.

The whoop size Beta 85X quadcopter comes with everything, 4S power, HD recording, 200mW Vtx and the new Lumenier micro AXII. Available at most reputable FPV dealers and betafpv.com.

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SWR and S11: What it means?
SWR and S11: What it means?

S11 (return losses) is another expression for SWR (standing waves ratio) and IMO a better one. It is the ratio of port #1 to port #1, in other words, what comes out of port #1 relative to what you injected in port #1. When you send power to an antenna, some of it is reflected […]

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