The Axiom 1000BASE - DWDM SFP Transceiver (DWDM - SFP - 5012 - AX) is engineered for optimal performance in optical networks. This module supports Gigabit Ethernet technology and is compatible with a variety of Cisco Catalyst Series switches, including the 3650 - 48FQ and 3650 - 48FQM. With its single - mode fiber support, it ensures minimal signal loss and fast data transfers over long distances. The SFP (mini - GBIC) design enhances dependability and productivity, making it an ideal choice for data networking applications. Axiom's transceivers are pre - configured to meet OEM requirements, ensuring they perform identically to original transceivers while also being compatible with other brands within the same network.