... capacity switch networking, user loop line network, mobile communications (base station), private network, DDN, etc. The advanced dual-light- ... transmission distance:2-120Km (6)two fiber bidirection and single fiber bidirection(optional). (7)match telecom operation requirement,MTBF ... Transmission distance multi-mode 2 Km, single-mode 40 Km, single-mode 80 Km,single-mode 120 Km Jitter tolerance according ...