Gigaopto manufactures a full range of low-speed SFP optical transceivers, including 155Mbps, 622Mbps, 1.25Gbps, 2.125Gbps, 2.5Gbps, 3.1Gbps, 4.25Gbps, etc., supporting a variety of transmission distances from 500m to 200km. All the transceivers comply with the SFP MSA, SFF-8472, CE, FCC, RoHS, and corresponding industry standards. It is mainly used in Ethernet/SDH/SONET/Fiber Channel transmission.