Finisar QSFP Module 40G 2KM Fiber Transceiver FTL4C1QL2C-FB/FTL4C1QL1C-FB/FTL4C1QL1L/QSFP 1310nm 40GB 2km LC 0 to70°C WholesaleBuy Directly From Shop1100385347-Choose me Is right Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.