Fiberinthebox CWDM XFP transceiver series is designed for single-mode fiber serial optical data communications such as 10G Ethernet 10GBASE-ER/EW/ZR and 10G Fiber Channel 1200-SM-LL-L. There are 18 center wavelengths available from 1270 nm to 1610 nm, with each step 20 nm. Our CWDM XFP modules are designed for single mode fiber and operate at a nominal wavelength of CWDM wavelength. They are available in various distances from 10Km up to 80Km. Maximum optical budget is 23dB. Besides, Cisco CWDM XFP such as CWDM-XFP-1470-1610, CWDM-XFP-1470--1610-80km with stable quality and 100% brands compatibility are also provided confidently by us.