... C-band single channel optical transmission system.The optical amplifier comes in several types. EDFA-MD is the general type and EDFA ... sopofiber.com, according to customer's specific requirements.Sopofiber single channel gain module optical amplifier is Telcordia GR-1312-CORE ... it is reliable,easy to install and comes with flexible monitoring interface, it is increasingly used in long haul network, ...