Reference:
MTB-TLB40
Package: SFP+, PHY Type: IEEE 802.3ae 10 Gigabit Ethernet Standard, Fiber Type: Single-mode, Connector: Simplex LC/UPC, DDM: Yes, Wavelength: TX: 1330nm - RX: 1270nm, Maximum Distance: 40km, Operating Temperature: -40~75 degrees C.