SFPGSX2Multi-mode 1000Base-SX 2KM Fiber Transceiver, Operating Temp. -10~ 70°CSFPGSX2DMulti-mode 1000Base-SX 2KM Fiber Transceiver with DDM, Operating Temp. -10~ 70°CSFPGSX2-wMulti-mode 1000Base-SX 2KM Fiber Transceiver, Wide Operating Temp. -40~85°CSFPGSX2D-wMulti-mode 1000Base-SX 2KM Fiber Transceiver with DDM, Wide Operating Temp. -40~85°C