This Hologram GLC-LH-SMD 1000BASE-LX/LH SFP Transceiver Module is a high-quality unit that is perfect for any enterprise networking setup. It is made by Cisco, a trusted brand in the industry, and comes with a 1-year manufacturer warranty. The module has SFP network ports and is made in Japan.This unit is perfect for those looking to expand their network setup without worrying about quality or reliability. It is a great addition to any switch module collection and is sure to provide seamless connectivity. Get your hands on this essential networking module today!