This is the USB-C 3.1 to 2.5 GBASE-T Ethernet adapter which support 4 speed 10/100/1000/2500 Mbps. Simply upgrade network to high speed 2.5 Gbps use existing Cat5e or higher cable IEEE 802.3bz 2.5 GBASE-T USB-C 3.1 interface 4-speed 10/100/1000/2500 Mbps connection speeds Compatible with existing Cat5e or higher cabling Support 802.1p and 802.1Q
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