Variable Attenuators
Wuhan Sunma Technology Co., Ltd. (Sunma)
SunmaFiber offer optical variable attenuator is used for continuously variable optical signal attenuation. As the attenuator is used in the laser system for the on-line testing, there can be used in the digital system of communication devices (such as:PHD, SDH) and also in the system of adopting analog modulation (CATV).