The group’s principle activities include developing and manufacturing optical transmitters. The group’s product line includes modulated MSA compliant TOSA devices with extended reach, DWDM wavelength stability and low power dissipation with modulation rates of 2.5 Gbps, 3.125 Gbps, 4.25 Gbps and 10 Gbps for SONET/SDH, Ethernet and Fibre Channel applications. The group operates from United States.