The Cisco WS-G5484 GBIC Transceiver is a high-quality networking component designed by Cisco, a trusted brand in the industry. This 53-piece bulk lot includes 1Gb SX MMF transceivers, perfect for enhancing network connectivity and performance. Manufactured in Malaysia, these units are reliable and efficient for various networking needs. Ideal for enterprise networking, servers, and computer networking applications, these GBIC transceivers are a valuable addition to any network infrastructure.