Extended Temperature 100Mbps Fast Ethernet 100Base-FX SFP Fiber Transceiver (-40º to 75º C) that utilizes a wavelength of (1310nm) FP LD. Single-Mode. LC Connector. Maximum Distance: 20Km. PLANET™’s Small Form Factor Pluggable (SFP) transceiver modules are specifically designed for high performance integrated duplex data link over single mode optical fiber. Network administrators can install these hot pluggable SFP transceiver modules in SFP MSA compliant ports without interrupting the operating equipment.