Bel Fuse SFP copper transceiver modules, including part numbers SFP-1GBT-05, SFP-1GBT-06, SFP-1GBT-09, and SFP-1GBT-10, are compact, hot-pluggable devices providing 10/100/1000Base-T Ethernet connectivity over Category 5/5e UTP copper cabling for distances up to 100 meters. These modules facilitate data communication in networking equipment by converting serial electrical data to signals compatible with standard RJ45 interfaces, adhering to IEEE 802.3 specifications and the SFP Multi-Source Agreement (MSA).