GrenTech 10G SFP+ LR can transmit up to 10km over single-mode fiber. This 10G SFP transceiver adopts the most popular lasers in the market, like Mitsubishi, II-VI, Uxfastic and Semtech. The performance is stable and it compliants with 10G Ethernet IEEE 802.3ae and SFF-8421, and it is widely used in 10G Base-LR/LW, 10G fiber channel and 10G CPRI, etc. Contact GrenTech for more 10g lr info!