Ciena速 NTK587DNE5 Compatible 10GBase-DWDM XFP Transceiver (SMF, 1562.23nm, 80km, LC, DOM). A 100% Ciena速 compatible XFP transceiver that operates at ITU Channel 19, ITU Wavenlength 1562.23nm, and ITU Frequency 191900GHz over single-mode fiber, with a...