Operating at 1550nm wavelength over 120km single-mode fiber, this 10G Base ZR+ module provides industry-leading distance performance. Supporting multi-rate transmission from 1. 32 Gbps, ideal for carrier backbone and ultra-long-haul applications requiring extreme reach. Our 10G Base ZR+ 120km Compatible SFP+ transceiver delivers maximum reach with exceptional 28 dB link budget and 2400 ps/nm dispersion tolerance. Supporting. The 120km SFP optical module has emerged as a cornerstone technology for these requirements, enabling high-performance connectivity across significant geographic spans without the need for costly intermediate amplification or repeaters. Whether supporting metropolitan area networks (MANs) or remote. GIGALIGHT's 1G BiDi SFP series optical transceiver modules support a speed of 1. 25Gbps, widely used in Gigabit Ethernet, 1G fiber channel, and SDH. 31 Gbps (SFF-8431, SFF-8432 and IEEE 802.