Product UPC: 691852453535 The CWDM-SFP-10G-1610 is a third-party compatible CWDM for Cisco, manufactured and tested by Network Distributors. This 10GBASE module will reach 80km and uses a wavelength of 1610nm. All CWDM-SFP-10G-1610 are in-system tested in real Cisco routers and switches.