CISCO - (GLC-FE-100EX) 100BASE-FX SFP MODULE FOR 100-MB PORTS, 1310-NM. SPECIFICATIONS - 100BASE-EX - 1310NM WAVELENGTH - SMALL FORM-FACTOR PLUGGABLE (SFP) - LC CONNECTOR - SINGLE-MODE FIBER (SMF) - UP TO 40KM REACH (DISTANCE) CONDITION : NEW FACTORY SEALED. AVAILABILITY : IN STOCK. WARRANTY : 30 DAYS.