FPV 3km Built in Sky Drone Fiber Optic Image Data Module Supports Up To 20 Kilometers Of Wired Signal Transmission The fiber optic image and data module uses optical fiber as thetransmission medium, which has the advantages of stabletransmission, fast speed, no influence of electromagneticinterference, and prevention of eavesdropping and theft. lt is apractical solution for various scenarios when used with drones! Eavesdropping And Anti Theft Functions Using Fiber Optic Communication Fast Transmission Speed And Strong Stability