The product is a lot of 35 Ericsson RDH102 47/2  These modules are designed for high-speed optical networking and are manufactured by Ericsson in China. The SFP28 form factor makes them easy to install and use in various networking equipment. With a data rate of 25GBASE-BX10-D and a transmission distance of up to 10km, these modules provide reliable and efficient data transmission for a wide range of networking applications.