Gigabit PoE switch, with 4*Gigabit PoE ports + 1*Gigabit uplink RJ45 port + 1*Gigabit SFP port, IEEE 802.3af/at standard, bandwidth 12Gbps, total power 65W, surpport port isolation and 250m extend mode, suitable for -10~50℃ wide temperature environment, support surge protection 4KV, ESD 8KV.