The SFPGE40KT5R3 is a Juniper SX compatible fiber transceiver module that has been designed, programmed and tested to work with Juniper brand switches and routers. It delivers dependable 1 GbE connectivity over fiber cable, for 1000Base-BX40-D compliant networks, with a maximum distance of up to 2 km (1.2 mi). Technical Specifications: Wavelength: 1310nmTx/1550nmRx Maximum Data Transfer Rate: 1000 Mbps (1 Gbps) Type: Single Mode Fiber Connection Type: LC Connector Maximum Transfer Distance: 40 km (24.8 mi) MTBF: 3,713,222 hours Power Consumption: < 1.6W Digital Diagnostics Monitoring (DDM): Yes This SFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. StarTech.com SFPs All StarTech.com SFP & SFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of SFP modules and direct-attach SFP cables, providing the convenience and reliability you need to ensure dependable network performance.