Introducing the E-link SMB 3G/HD/SD-SDI Optical Micro-Extender, model LNK-M3G-SMB1V-20. This compact device features automatic signal recognition for seamless HD video transmission up to 120km, utilizing CWDM technology for up to 16 channels over one fiber. Designed for durability, it operates in extreme temperatures and is easy to set up with no manual adjustments required. Discover more on our website!