StarTech.com Cisco SFP-GE-S Compatible SFP Module - 1000BASE-SX Fiber Optical SFP Transceiver - Lifetime Warranty - 1 Gbps - Maximum Transfer Distance: 550 m (1804 ft)The SFPGESST is a Cisco SFP GE S compatible fiber transceiver module that has been designed, programmed and tested to work with Cisco brand switches and routers. It delivers dependable 1 GbE connectivity over fiber cable, for 1000BASE SX compliant networks, with a maximum distance of up to 550 m (1804 ft). Technical Specifications: Wavelength: 850nm Maximum Data Transfer Rate: 1. 25 Gbps Type: Multi Mode Fiber Connection Type: LC Connector Maximum