New E1MG-BXD Foundry Compatible 1000BASE-BX-D       

Specifications
Reach: 10km (6.2 miles)
Wavelength: TX 1490nm / RX 1310nm
Fiber/Cable Type: Single-Mode Fiber (SMF)
Connector: Dual LC Simplex Connector
Manufacturer: Third Party
Temperature: Commercial
Digital Output Monitoring: Yes
Notes: Bi-Directional

Why spend a lot of money buying genuine parts when you can save a whole lot with these compatible transceivers that work just as well.