This is a fully tested and functional Alcatel-Lucent QSFP+ SR4 module with model number 903435-90. It has a form factor of QSFP+ and uses MPO connectors. The module operates at a wavelength of 850nm and has a data transfer rate of 40Gbps. It was manufactured in China and is compatible with various networking devices. This module is perfect for anyone in need of reliable and high-speed networking solutions.