This 1000Base-BX (upstream) SFP module delivers what you need most in your network connections: reliable performance. It?s built to exacting MSA specifications and fully tested to ensure seamless compatibility. The single-mode SFP transceiver module offers a cost-effective way to add, replace or upgrade the ports on your networking equipment, and it?s backed by a lifetime warranty. Industry Standards IEEE 802.3z 1000BASE-BX WDM No Compatible Networks 1000 Mbps (1 Gbps) DDM Yes Fiber Operating Mode Full-Duplex Fiber Type Single Mode Max Transfer Distance 10 km (6.2 mi) Maximum Data Transfer Rate 1.25 Gbps Wavelength 1310nmTx/1490nmRx Local Unit Connectors 1 - Fiber Optic LC Duplex Female Humidity 595% RH Operating Temperature 0C to 70C (32F to 158F) Storage Temperature -40C to 85C (-40F to 185F) Color Silver Enclosure Type Aluminum Included in Package 1 - SFP transceiver Item Dimension (L inchxW inchxH inch) 5 x 4 x 2 Weight 1.00lb Warranty Information Lifetime