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1. The Yagi antenna consists of an active vibrator (the remote control's own antenna), a reflector (slightly longer metal rod) and several directors (slightly shorter metal rods). The longer reflector reflects energy, and the shorter director guides energy. The reflectors and directors on both sides of the active oscillator turn the original bidirectional radiation into unidirectional radiation to increase the gain of the antenna.2. The Yagi antenna has a simple structure, convenient feeding, and high gain, which cannot be obtained from an upright antenna.3. Compatibility: Suitable for DJI Air 3/Mini 4 Pro drone RC 2 remote control 4. Weight: 5.8G net weight 20 grams, 2.4G net weight 30 grams 5. Size: 5.8G product size is 90 x 35 x 22mm, 2.4G product size is 90 x 60 x 22mm 6. Note: Only 2 Yagi antennas are included, and the remote control for demonstration is not included
