Crazybee F4 FR Pro v2.1 Connection Diagram
Crazybee F4 FS Pro v2.1 Connection Diagram
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Crazybee F4 FR Pro v2.1 Connection Diagram
Crazybee F4 FS Pro v2.1 Connection Diagram
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I recently received a CrazyBee F4 Pro V2.1 sailfly x board with frsky rx. My rf range is really poor, 10-15 feet and I lose signal.
Can I use an external rx with this board?