Equipped with a main control board link and four separate motor interfaces, it utilizes dense BTB connectors for consistent power and data transfer in tight spaces This cable serves as the important connection between the flight arrange and power units, accurately control commands to four ESCs for accurate brushless motor speed regulation, ensuring stable flight and fast response Weighing just 1-2 grams, it includes strengthened substance in stress areas, adhering to strict weight limits while preserving robustness during continuous operations This specific replacement component requires concentrated tools like hot air equipment and microscopes, along with advanced soldering expertise, and is recommended to be dealt through licensed service channels Featuring a distinct multi branched star shape with flexible circuit board technology, this 8-10cm cable is engineered to fit the mainboard and arm interfaces seamlessly, making it incompatible with global cables or other variants