The transceiver is a small, hot-swappable RJ45 electrical port module, compliant with Gigabit Ethernet standards and SFP Multi-Source Agreement (MSA) standards,supporting 10M/100M/ 1000M transmission rate. CAT5 class network cable transmission distance of up to 100 meters, good electromagnetic compatibility, compatible with various brands of hosts, widely used in data centers and enterprise networks. Access to the PHY chip registers is via the I2C interface. Meet the certification requirements such as RoHS.