Ciena速 NTK587DJE5 Compatible 10GBase-DWDM XFP Transceiver (SMF, 1560.61nm, 80km, LC, DOM). A 100% Ciena速 compatible XFP transceiver that operates at ITU Channel 21, ITU Wavenlength 1560.61nm, and ITU Frequency 192100GHz over single-mode fiber, with a...