AHD to Fiber Converter can simultaneously transmit 1 channel AHD over one multimode or single-mode optical fiber. Electronic and optical adjustments are never required. LED indicators are provided for instantly monitoring system status. Devices are available for either standalone or rack-mount installation, which is suitable for different working environment. Compatible with AHD-H, AHD-M and AHD-L. Lossless non-compression real time transmission