1Built to strict quality control standards, design improved for more durability. 2The maximum transmission distance is up to 300 meters, and the wavelength is 850NM. 3Suitable for switch, router, firewall, network card and transceiver equipment with SFP fiber interface. 4The transmission speed is up to 10G, just enjoy the high speed network. 510GbE multi-mode fiber SFP module, suitable for X520DA1 X520 DA2. Features: 1. Built to strict quality control standards, design improved for more durability. 2. The maximum transmission distance is up to 300 meters, and the wavelength is 850NM. 3. Suitable for switch, router, firewall, network card and transceiver equipment with SFP fiber interface. 4. The transmission speed is up to 10G, just enjoy the high speed network. 5. 10GbE multi-mode fiber SFP module, suitable for X520DA1 X520 DA2. Specification: Model: FTLX1471D3BCV-IT Operating Temperature: 0-70 Product Type: SFP Fiber Type: Multi-mode Speed: 10G Wavelength: 850NM Transmission Distance: Approx. 300m/984ft Transmitted Light Power: -6 to -1dBm Acceptable Sensitivity: Less than -11.1dBm Package List: 1 x Module