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30.5×30.5mm SKYSTARS F405 DJI HD F4 OSD 3-6S Flight Controller w/ 5V 10V BEC & KM50 50A BL_S 4in1 ESC Stack Support DJI Air Unit for RC FPV Racing Drone | Alexnld.com
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30.5x30.5mm Racerstar StarF7 F7 Flight Controller AIO OSD 5V 9V BEC Current Sensor Blackbox 40A BLheli_32 2-6S Brushless ESC for DJI Air Unit RC Drone FPV Racing - Newegg.com
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