1.25G Gigabit single-mode single-fiber SFP optical module Plug and play. This module selects high-quality optical devices with excellent performance to provide high-performance and low-cost solutions for the growing demand for optical fiber transmission. It adopts hot-swappable standard SFP package, has a speed of up to 1.25Gbps, and can reach a maximum transmission distance of 2000 meters through a single single-mode optical fiber.