Manufacturer: Nokia Part number: 3KC71023AA CLEI: W0CUBJSUAA Board description: SSY -0PSUM Boards are used for platforms: 1830 PSS SSY -0PSUM . Technology: DWDM Country of origin: Mexico In addition to Nokia 3KC71023AA , Liyuan Tech also offers a variety of other Nokia board cards. If you have any requirements or interests, please feel free to send inquiries to global@chn-liyuan.com