Single mode single fiber SC SFP TX1490/RX1310 optical module 20 km $ 18.30 product description Compatible with single SC socket optical interface Hot plug SFP takes up space 1490nm DFB laser transmitter Compliant with RoHS and lead-free Up to 20km on 9/125um SMF Metal shell can reduce EMI Single 3.3V power supply Low power consumption <600mW Commercial operating temperature range: 0C to 70C