Cisco CWDM-OADM4-1 4-Channel OADM Module
The Cisco CWDM-OADM4-1 is a passive 4-channel Optical Add/Drop Multiplexer designed for CWDM fiber networks. Supporting wavelengths from 1470nm to 1530nm, this module enables efficient bandwidth expansion, wavelength management, and long-distance optical transmission in enterprise, telecom, and data center environments.