1. CWDM channel Add/Drop CWDM信道 Add/Drop
2. Metro/Access networks 城域网
3. CATV system 有线电视系统
●Low insertion loss 低插损
●Wide band 宽带宽
●high channel isolation 高通道隔离度
●High stability and reliability 高稳定性和可靠性
●Epoxy-free optical path 光路无胶
