This fiber optic extender uses single-mode optic fiber to transmit high-definition signals to a distance of 40km, and supports local loop-out and IR passback. It can be widely used in security monitoring, medical systems, commercial display and other fields. The extender supports resolution up to 1920x1080@60Hz and has a transmission rate of 1.25Gbps. It also features lightning protection, surge protection, and ESD protection, making it a reliable choice for various applications.