Single-mode MiniGBIC module Applied to T3700G-28TQ, TL-SG5412F/TL-SG5428, TL-SL5428E,TL-SG3210/TL-SG3216/TL-SG3424/TL-SG3424P,TL-SL3428/TL-SL3452, TL-SG2210P/TL-SG2216/TL-SG2424/TL-SG2424P/TL-SG2452, TL-SL2210/TL-SL2218/TL-SL2428/TL-SL2452 and MC220L Up to 20 km transmission distance in 9/125 μm SMF (Single-Mode Fiber) Compatible with all SFP ports on TP-Link products including JetStream switches, and media converter MC220L. Work with MC210CS with a single-mode fiber connection