Lightron Fiber-Optic Devices Inc. engages in the manufacturing and selling of communication products in South Korea. The company's products include 25Gb/s SFP28 for duplex and bi-directional, 5G radio access network, 25G C-band tunable DWDM solution, and 25G LAN-WDM; 10Gb/s SFP+, a grey optics to fix and tunable DWDM; 50Gb/s SFP56, a duplex and bi-directional solution; 100Gb/s QSFP28 for 25G x 4 Lanes and 100Gbps Lambda; CATV Optics, a hardened digital and analog optical Tx, Rx and transceivers; and Featured SFP & SFP+, a specialized and customized optical transceiver. It also provides wireless; telecom/datacom; PON technology proliferations; and CATV solutions. The company was formerly known as Lightron Inc. and changed its name to Lightron Fiber-Optic Devices Inc. in March 2024. Lightron Inc. was incorporated in 1998 and is headquartered in Daejeon, South Korea.