The CIENA 1G CWDM SFP transceiver module is designed for reliable and high-performance Gigabit Ethernet connections over single-mode fiber (SMF). This module supports distances up to 40 kilometers, making it ideal for long-range networking applications.
NTK591MB-AO - Addon CIENA 1G CWDM SFP 40KM LC Transceiver Module - Compatible