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I did a simple range check with reduced RF power (FrSky green LED on) comparing the standard antenna with the patch antenna My transmitter was located 50cm above ground. The result is impressing:
1. original antenna: after 45m the servo movements start struggling; keeping the receiver antenna close to my body calls the fail save - so loss of connection.
2. this patch antenna: after 75m same behaviour as above, until their, no trouble.
=_ just an other prove that the antenna is the best RF amplifier =_ about +50% range. Ok the normal FrSky range is sufficient for most planes or? But the antenna works as well excellent to enlarge Wifi cells...
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