Dense Wavelength DivisionMultiplexer(DWDM) is based on thin film filter technology and proprietary non
flux metal bonded micro optical packaging design, achieving uplink
and downlink within the wavelength range of ITU. It provides ITU
channel center wavelength, low insertion loss, high channel
isolation, low power consumption, wide passband characteristics, no
adhesive loop, excellent thermal stability and reliability, etc. In
telecommunications network systems, it can be used for uplink or
downlink optical signals.