TX1550nm/1.25G, RX1310nm/1.25G, LC, single mode and single fiber, 20km, 0~70℃, SFPincludes:1 x HK-1.25G-20-15501 x HK-SFP-1.25G-20-1310
Note: HK-SFP-1.25G-20-1310 has to work with HK-SFP-1.25G-20-1550 as a pair.