10G SFP+ ER Fiber Optical Transceiver operats at the 1550nm wavelength, which is optimized for long-haul transmissions, it harnesses the power of single-mode fiber to achieve remarkable feats. With a staggering 40km reach, it becomes the backbone of extensive telecommunication networks. The duplex LC/UPC connectors are meticulously designed for such demanding applications. The LC connectors offer a reliable mechanical coupling, firmly attaching the transceiver to networking devices, while the UPC polish minimizes back reflection to an extraordinary degree. This is crucial as any signal degradation over such a long distance could disrupt vital services. Whether it's transmitting real-time financial data, video conferences for multinational corporations, or vast amounts of scientific research findings, the integrity of the information remains intact throughout the 40km journey.