... 3) MAC address auto-learning & aging ZBT-GS108 is 8-port Gigabit Ethernet Switch, compliant with IEEE 802.3, IEEE 802.3u,IEEE 802 ... (half duplex),200Mbps (duplex);Ethernet: 2000Mbps (duplex);Network Media /Cable10Base-T:UTP category 3, 4, 5 cable (max.100m)EIA/TIA-568 ... : -40~70°COperating Humidity: 10%~90% non-condensing.Storage humidity: 5%~90% non-condensing Gigabit 8-port Fast Ethernet Switch